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Electricity Generation under the Climate Change Situation in Latin America: Trends and Challenges (2024)
Journal Article
Undurraga, J. P., Rivera, M., Cossutta, P., Garcés, A., Ayala, M., Garcia, L. Y., & Wheeler, P. (2024). Electricity Generation under the Climate Change Situation in Latin America: Trends and Challenges. International Journal of Energy Economics and Policy, 14(2), 535-545. https://doi.org/10.32479/ijeep.15226

In a scenario of energy inequality, countries require stability for development and quality of life for their inhabitants. This paper addresses the reality of access to electrical energy and the effect of climate change on the potential of renewables... Read More about Electricity Generation under the Climate Change Situation in Latin America: Trends and Challenges.

A Review on Weighting Factor Design of Finite Control Set Model Predictive Control Strategies for AC Electric Drives (2024)
Journal Article
Zerdali, E., Rivera, M., & Wheeler, P. (2024). A Review on Weighting Factor Design of Finite Control Set Model Predictive Control Strategies for AC Electric Drives. IEEE Transactions on Power Electronics, https://doi.org/10.1109/tpel.2024.3370550

Model predictive control has been widely applied to AC electric drives over the last decade. Despite the proposed solutions, researchers are still seeking to find more effective solutions for weighting factor design, parameter dependency, current/tor... Read More about A Review on Weighting Factor Design of Finite Control Set Model Predictive Control Strategies for AC Electric Drives.

A metaheuristic-based method for photovoltaic temperature computation under tropical conditions (2024)
Journal Article
Osorio, L., Moreno, M., Rivera, M., Tuninetti, V., Ruíz Chavarria, G., Duchêne, L., & Wheeler, P. (2024). A metaheuristic-based method for photovoltaic temperature computation under tropical conditions. Solar Energy, 271, Article 112414. https://doi.org/10.1016/j.solener.2024.112414

Tropical climates have favorable irradiation levels for the development of photovoltaic systems; however, high temperatures have a negative impact on the efficiency of solar cells. Since direct measurement of cell temperature is not common, mathemati... Read More about A metaheuristic-based method for photovoltaic temperature computation under tropical conditions.

A Novel Virtual Vector Modulation-based scheme of Model Power Predictive for VIENNA Rectifier (2024)
Journal Article
Dang, C., Dang, C., Dang, C., Wang, Y., Jiang, Z., Liu, D., …Pat, W. (2024). A Novel Virtual Vector Modulation-based scheme of Model Power Predictive for VIENNA Rectifier. Franklin Open,

When the finite control set model predictive(FCS-MPC) algorithm is applied to the three-level converter, there are problems such as large current harmonics, high requirements for the computing efficiency of the micro-controller, complex multi-objecti... Read More about A Novel Virtual Vector Modulation-based scheme of Model Power Predictive for VIENNA Rectifier.

Power Flow Analysis of Advanced Power Generation Centre for More Electric Aircraft (2023)
Conference Proceeding
Bai, G., Bozhko, S., Yang, T., Wheeler, P., & Yeoh, S. S. (2023). Power Flow Analysis of Advanced Power Generation Centre for More Electric Aircraft. . https://doi.org/10.1109/itecasia-pacific59272.2023.10372301

The more-electric aircraft (MEA) has been seen as the most major trend in the aerospace industry. With the increase in electrified loads, there is the need to generate more electrical power on-board aircraft. Considering regional jet sized aircraft,... Read More about Power Flow Analysis of Advanced Power Generation Centre for More Electric Aircraft.

An Advanced Dual-Carrier-Based Multi-Optimized PWM Strategy of Three-Level Neutral-Point-Clamped Converters for More-Electric-Aircraft Applications (2023)
Journal Article
Guo, F., M. Diab, A., Shen Yeoh, S., Yang, T., Bozhko, S., Wheeler, P., & Zhao, Y. (2024). An Advanced Dual-Carrier-Based Multi-Optimized PWM Strategy of Three-Level Neutral-Point-Clamped Converters for More-Electric-Aircraft Applications. IEEE Transactions on Energy Conversion, 39(1), 356-367. https://doi.org/10.1109/TEC.2023.3312599

Since three-level neutral-point-clamped (3L-NPC) power generation units bring much competitiveness to the next-generation electric starter/generator (ESG) system for more-electric-aircraft (MEA) applications, the versatile multi-optimized pulse-width... Read More about An Advanced Dual-Carrier-Based Multi-Optimized PWM Strategy of Three-Level Neutral-Point-Clamped Converters for More-Electric-Aircraft Applications.

Impact of Grid Unbalances on Electric Vehicle Chargers (2023)
Journal Article
Alwahaibi, S., Wheeler, P., Rivera, M., & Ahmed, M. R. (2023). Impact of Grid Unbalances on Electric Vehicle Chargers. Energies, 16(17), Article 6201. https://doi.org/10.3390/en16176201

There is a global trend to reduce emissions from cars through the adoption of other alternatives, such as electric vehicles (EVs). The increasing popularity of EVs has led to a growing demand for electric vehicle chargers. EV chargers are essential f... Read More about Impact of Grid Unbalances on Electric Vehicle Chargers.

A Survey on Multi-Active Bridge DC-DC Converters: Power Flow Decoupling Techniques, Applications, and Challenges (2023)
Journal Article
Koohi, P., Watson, A. J., Clare, J. C., Batista Soeiro, T., & Wheeler, P. W. (2023). A Survey on Multi-Active Bridge DC-DC Converters: Power Flow Decoupling Techniques, Applications, and Challenges. Energies, 16(16), Article 5927. https://doi.org/10.3390/en16165927

Multi-port DC-DC converters are a promising solution for a wide range of applications involving multiple DC sources, storage elements, and loads. Multi-active bridge (MAB) converters have attracted the interest of researchers over the past two decade... Read More about A Survey on Multi-Active Bridge DC-DC Converters: Power Flow Decoupling Techniques, Applications, and Challenges.

Hybrid Active PWM Strategy with Dual-Mode Modulation Waves of Three-Level T-type Converter for Aircraft Turboelectric Propulsion Systems (2023)
Journal Article
Guo, F., Ma, Z., Diao, F., Zhao, Y., Wheeler, P., & Cao, Y. (2023). Hybrid Active PWM Strategy with Dual-Mode Modulation Waves of Three-Level T-type Converter for Aircraft Turboelectric Propulsion Systems. IEEE Transactions on Industry Applications, 59(6), 7150-7162. https://doi.org/10.1109/tia.2023.3300265

Turboelectric propulsion is emerging as an enabling technology for the future aviation industry, aiming to reduce its carbon footprint. To provide electrified thrust for aircraft, the converter-fed motor drive system is a promising solution for the e... Read More about Hybrid Active PWM Strategy with Dual-Mode Modulation Waves of Three-Level T-type Converter for Aircraft Turboelectric Propulsion Systems.

Zero Voltage Switching High Step-Down Buck Converter With Continuous Output Current (2023)
Journal Article
Montazerolghaem, R., Adib, E., Semiromizadeh, J., & Wheeler, P. (2023). Zero Voltage Switching High Step-Down Buck Converter With Continuous Output Current. IEEE Transactions on Power Electronics, https://doi.org/10.1109/tpel.2023.3294492

This paper proposes a high step-down DC-DC converter with a continuous output current. In order to obtain high efficiency, the proposed converter topology ensures zero voltage switching of the MOSFETs and zero current switching of the diodes. One of... Read More about Zero Voltage Switching High Step-Down Buck Converter With Continuous Output Current.

A Polar-Coordinate-Multisignal-Flux-Observer-Based PMSM Non-PLL Sensorless Control (2023)
Journal Article
Ge, Y., Song, W., Yang, Y., & Wheeler, P. (2023). A Polar-Coordinate-Multisignal-Flux-Observer-Based PMSM Non-PLL Sensorless Control. IEEE Transactions on Power Electronics, 38(9), 10579-10583. https://doi.org/10.1109/TPEL.2023.3289095

In this letter, a polar-coordinate-multi-signal-flux-observer (PCMFO) is proposed for permanent magnet synchronous motor (PMSM) sensorless control. PCMFO is constructed in polar coordinates and uses the orthogonality relations between αβ-axis active... Read More about A Polar-Coordinate-Multisignal-Flux-Observer-Based PMSM Non-PLL Sensorless Control.

High Step-Up Dual-Switch X-Source DC-DC Converters Integrating Various Capacitor-Winding-Diode Voltage-Double Technology (2023)
Journal Article
Ji, Y., Geng, L., Liu, H., & wheeler, P. (2024). High Step-Up Dual-Switch X-Source DC-DC Converters Integrating Various Capacitor-Winding-Diode Voltage-Double Technology. IEEE Transactions on Industrial Electronics, 71(5), 4607-4617. https://doi.org/10.1109/tie.2023.3283696

In this article, a new class of high step-up dual-switch X-source dc–dc converters integrating various capacitor-winding-diode voltage-double technology is presented, which are parallel-winding dual-switch X-source dc–dc converters, series-winding du... Read More about High Step-Up Dual-Switch X-Source DC-DC Converters Integrating Various Capacitor-Winding-Diode Voltage-Double Technology.

Implementation and Analysis of an Efficient Soft-Switching Battery Wireless Charger with Re-Configurable Rectifier (2023)
Journal Article
Wang, Y., Liu, H., Wheeler, P., & Wu, F. (2024). Implementation and Analysis of an Efficient Soft-Switching Battery Wireless Charger with Re-Configurable Rectifier. IEEE Transactions on Industrial Electronics, 71(5), 4640-4651. https://doi.org/10.1109/TIE.2023.3283681

To significantly reduce switching loss of the high frequency inverter in battery wireless charger (BWC), improve the soft-switching stability and system reliability, a novel soft-switching BWC with low loss auxiliary network and reconfigurable rectif... Read More about Implementation and Analysis of an Efficient Soft-Switching Battery Wireless Charger with Re-Configurable Rectifier.

Powering Maritime: Challenges and prospects in ship electrification (2023)
Journal Article
Qazi, S., Venugopal, P., Rietveld, G., Soeiro, T. B., Shipurkar, U., Grasman, A., …Wheeler, P. (2023). Powering Maritime: Challenges and prospects in ship electrification. IEEE Electrification Magazine, 11(2), 74-87. https://doi.org/10.1109/mele.2023.3264926

The exponential increase in Global greenhouse gas (GHG) emissions and the rapid depletion of fossil fuels over the past few decades have swayed the transportation sector toward becoming more electric. In the last decade, with continuous improvements... Read More about Powering Maritime: Challenges and prospects in ship electrification.

Cosmic Radiation Reliability Analysis for Aircraft Power Electronics (2023)
Journal Article
Dobynde, M., Harikumaran, J., Guo, J., Wheeler, P., Galea, M., & Buticchi, G. (2023). Cosmic Radiation Reliability Analysis for Aircraft Power Electronics. IEEE Transactions on Transportation Electrification, https://doi.org/10.1109/tte.2023.3278319

Cosmic Ray induced failures are a major concern for the electronic system reliability of airborne and space systems. Power system voltages on aerospace platforms are on a steady upward trend. High voltage power converters suffer from Single Event Bur... Read More about Cosmic Radiation Reliability Analysis for Aircraft Power Electronics.

A Single Phase Hybrid Multiport Microinverter for Photovoltaic Energy Controlled by Exact Linearization (2023)
Journal Article
Aliaga, R., Muñoz, J., Rivera, M., Wheeler, P., Rohten, J., & Trentin, A. (2023). A Single Phase Hybrid Multiport Microinverter for Photovoltaic Energy Controlled by Exact Linearization. IEEE Access, 11, 50075-50089. https://doi.org/10.1109/ACCESS.2023.3278099

Solar energy can be captured by Photovoltaics (PV) and converted into electrical power. This electrical power can then be connected to grids by power electronic converters, which can also operate the PV panels at around their maximum power point (MPP... Read More about A Single Phase Hybrid Multiport Microinverter for Photovoltaic Energy Controlled by Exact Linearization.

An Isolated Multiport DC–DC Converter for Integrated Electric Vehicle On-Board Charger (2023)
Journal Article
Kougioulis, I., Pal, A., Wheeler, P., & Ahmed, M. R. (2023). An Isolated Multiport DC–DC Converter for Integrated Electric Vehicle On-Board Charger. IEEE Journal of Emerging and Selected Topics in Power Electronics, 11(4), 4178-4198. https://doi.org/10.1109/jestpe.2023.3276048

This paper proposes an integrated on-board charger (IOBC) for Electric Vehicles (EVs) based on an isolated three-port DC-DC converter. The proposed architecture integrates the on-board charger (OBC) and the auxiliary power module (APM) in a single mu... Read More about An Isolated Multiport DC–DC Converter for Integrated Electric Vehicle On-Board Charger.

A Multi-Inverter Multi-Rectifier Wireless Power Transfer System for Charging Stations With Power Loss Optimized Control (2023)
Journal Article
Liu, X., Gao, F., Wang, T., Khan, M. M., Zhang, Y., Xia, Y., & Wheeler, P. (2023). A Multi-Inverter Multi-Rectifier Wireless Power Transfer System for Charging Stations With Power Loss Optimized Control. IEEE Transactions on Power Electronics, 38(8), 1-16. https://doi.org/10.1109/tpel.2023.3275284

Electric vehicles with different output power levels can use wireless power transfer (WPT) systems. Different vehicle assemblies (VAs) may be charged by different ground assemblies (GAs) in charging stations. However, the overall efficiency of the WP... Read More about A Multi-Inverter Multi-Rectifier Wireless Power Transfer System for Charging Stations With Power Loss Optimized Control.

A Novel Three-Phase Omnidirectional Wireless Power Transfer System with Zero-Switching-Loss Inverter and Cylindrical Transmitter Coil (2023)
Journal Article
Liu, H., Wang, Y., Yu, H., Wu, F., & Wheeler, P. (2023). A Novel Three-Phase Omnidirectional Wireless Power Transfer System with Zero-Switching-Loss Inverter and Cylindrical Transmitter Coil. IEEE Transactions on Power Electronics, 38(8), 10426-10441. https://doi.org/10.1109/TPEL.2023.3272217

Aiming at the problems of large switching loss and large output power fluctuation in the existing omnidirectional wireless power transfer (OWPT) system, a novel OWPT system with zero-switching-loss inverter and cylindrical transmitter coil is propose... Read More about A Novel Three-Phase Omnidirectional Wireless Power Transfer System with Zero-Switching-Loss Inverter and Cylindrical Transmitter Coil.

On the Impedance and Stability Analysis of Dual-Active-Bridge-Based Input-Series Output-Parallel Converters in DC Systems (2023)
Journal Article
Yang, J., Guenter, S., Buticchi, G., Gu, C., Liserre, M., & Wheeler, P. (2023). On the Impedance and Stability Analysis of Dual-Active-Bridge-Based Input-Series Output-Parallel Converters in DC Systems. IEEE Transactions on Power Electronics, 38(8), 10344-10358. https://doi.org/10.1109/TPEL.2023.3270531

Dual-active-bridge-based (DAB-based) input-series output-parallel (ISOP) converters have become increasingly popular due to their promising features made up of the advantages of the modular power electronics and the DAB converter. The modeling of the... Read More about On the Impedance and Stability Analysis of Dual-Active-Bridge-Based Input-Series Output-Parallel Converters in DC Systems.

An Advanced Power Generation Architecture for More-Electric Aircraft Applications (2023)
Conference Proceeding
Bai, G., Yang, T., Yeoh, S. S., Bozhko, S., & Wheeler, P. (2023). An Advanced Power Generation Architecture for More-Electric Aircraft Applications. . https://doi.org/10.1109/esars-itec57127.2023.10114848

The trend towards development of More Electric Aircraft (MEA) has been driven by increased fuel fossil prices and stricter environmental policies. With breakthroughs in power electronic systems and electrical machines, the targets of MEA to reduce th... Read More about An Advanced Power Generation Architecture for More-Electric Aircraft Applications.

Moving Microgrid Hierarchical Control to an SDN-Based Kubernetes Cluster: A Framework for Reliable and Flexible Energy Distribution (2023)
Journal Article
Pérez, R., Rivera, M., Salgueiro, Y., Baier, C. R., & Wheeler, P. (2023). Moving Microgrid Hierarchical Control to an SDN-Based Kubernetes Cluster: A Framework for Reliable and Flexible Energy Distribution. Sensors, 23(7), Article 3395. https://doi.org/10.3390/s23073395

Software Defined Networking (SDN) is a communication alternative to increase the scalability and resilience of microgrid hierarchical control. The common architecture has a centralized and monolithic topology, where the controller is highly susceptib... Read More about Moving Microgrid Hierarchical Control to an SDN-Based Kubernetes Cluster: A Framework for Reliable and Flexible Energy Distribution.

Analysis of Using a Thermoelectric Module for Power Electronics Cooling (2022)
Conference Proceeding
Abubakar, A., Klumpner, C., & Wheeler, P. (2022). Analysis of Using a Thermoelectric Module for Power Electronics Cooling. In 2022 IEEE 1st Industrial Electronics Society Annual On-Line Conference (ONCON) (909-914). https://doi.org/10.1109/oncon56984.2022.10126992

This paper aims to develop a PLECS equivalent circuit of a thermoelectric module to be used in power electronics cooling applications. The proposed model is built using elements from the PLECS thermal model block-set. To test this, a resistive c dev... Read More about Analysis of Using a Thermoelectric Module for Power Electronics Cooling.

AC/DC Converter Topologies Comparison for More Electric Aircraft Applications (2022)
Conference Proceeding
Khera, F. A., Gerada, C., Bozhko, S., & Wheeler, P. W. (2022). AC/DC Converter Topologies Comparison for More Electric Aircraft Applications. In 2022 IEEE 7th Southern Power Electronics Conference (SPEC). https://doi.org/10.1109/SPEC55080.2022.10058465

This paper compares the potential AC/DC power converter topologies that are appropriate for medium voltage and medium/high power aircraft applications. The power converter's rated power and the DC distribution voltage level in this application assume... Read More about AC/DC Converter Topologies Comparison for More Electric Aircraft Applications.

Sliding-Mode Current Control with Exponential Reaching Law for a Three-Phase Induction Machine Fed by a Direct Matrix Converter (2022)
Journal Article
Maidana, P., Medina, C., Rodas, J., Maqueda, E., Gregor, R., & Wheeler, P. (2022). Sliding-Mode Current Control with Exponential Reaching Law for a Three-Phase Induction Machine Fed by a Direct Matrix Converter. Energies, 15(22), Article 8379. https://doi.org/10.3390/en15228379

The direct matrix converter (DMC) is considered to be an exciting power converter topology option for electric motor drives in industrial applications (elevators, hoists and cranes) and applications where size and weight are critical (e.g., the aeros... Read More about Sliding-Mode Current Control with Exponential Reaching Law for a Three-Phase Induction Machine Fed by a Direct Matrix Converter.

An Overview of the Colombian Power System (2022)
Conference Proceeding
Bravo-Lopez, M., Marin, S., Terreros-Barreto, J. R., Garces, A., Molina, A., Rivera, M., & Wheeler, P. (2022). An Overview of the Colombian Power System. In 2022 IEEE International Conference on Automation/XXV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/ICA-ACCA56767.2022.10006289

The Colombian power system is facing a transition from hydro-thermal generation to a diversified mix of hydro, solar, and wind energy. This paper presents an overview of the current situation and the challenges of transitioning to a more sustainable... Read More about An Overview of the Colombian Power System.

Matrix Converter Based on Trapezoidal Current Injection (2022)
Journal Article
Lei, J., Huang, X., Wheeler, P., Xia, Y., Zhao, J., & Chen, W. (2022). Matrix Converter Based on Trapezoidal Current Injection. IEEE Journal of Emerging and Selected Topics in Power Electronics, 1-1. https://doi.org/10.1109/jestpe.2022.3216862

The Matrix Converter (MC) is a direct AC-AC power converter featuring high power density and high efficiency. However, the conventional MC (CMC) topologies require high control complexity and high transistor capacity, hindering the wide applications.... Read More about Matrix Converter Based on Trapezoidal Current Injection.

Water Splitting Dynamics of High Voltage Pulsed Alkaline Electrolysis (2022)
Conference Proceeding
Albornoz, M., Rivera, M., Ramirez, R., Varas-Concha, F., & Wheeler, P. (2022). Water Splitting Dynamics of High Voltage Pulsed Alkaline Electrolysis. In 2022 IEEE International Conference on Automation/XXV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/ica-acca56767.2022.10006326

The development of high efficiency plasma electrolysis, with the application of pulses of high voltage and extreme short duration to alkaline electrolysis, reveals the characteristics of a new type of water splitting dynamics. Pulses of a w... Read More about Water Splitting Dynamics of High Voltage Pulsed Alkaline Electrolysis.

Electrodependent Patients: Regulations, Possible Technical Solutions and Case Study (2022)
Conference Proceeding
Frias, G., Catuogno, G., Rivera, M., Wheeler, P., & Garcia, G. (2022). Electrodependent Patients: Regulations, Possible Technical Solutions and Case Study. In IEEE ICA-ACCA 2022 For the development of sustainable Agricultural Systems : IEEE International Conference on Automation (ICA) XXV Congreso de la Asociación Chilena de Control Automático (ACCA). https://doi.org/10.1109/ica-acca56767.2022.10006095

This article discusses the energy poverty of electrodependent patients and their struggle for the rights of uninterrupted and quality electrical services. A review of regulations in different South American countries is carried out, different support... Read More about Electrodependent Patients: Regulations, Possible Technical Solutions and Case Study.

Trends and Challenges in Sustainable Energy Management Models for Public Health Services (2022)
Conference Proceeding
Suarez, J., Silva, M., Rivera, M., & Wheeler, P. (2022). Trends and Challenges in Sustainable Energy Management Models for Public Health Services. In 2022 IEEE International Conference on Automation/XXV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/ica-acca56767.2022.10006130

Hospital facilities are characterized by continuous operation, where the availability and reliability of the electrical energy supply are essential to guarantee patient safety. The level of hospital's requirements depends on the coverage and capacity... Read More about Trends and Challenges in Sustainable Energy Management Models for Public Health Services.

A review of solar and wind energy in Paraguay (2022)
Conference Proceeding
Ayala, M., Toledo, S., Ramirez, G., Prado, A., Caballero, D., Rivera, M., …Gregor, R. (2022). A review of solar and wind energy in Paraguay. In 2022 IEEE International Conference on Automation/XXV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/ica-acca56767.2022.10006211

In recent years, non-conventional renewable energies (NCRE) has increased substantially due to its abundance and advancement of support technologies. This paper describes a review of solar and wind energy in Paraguay, which includes its matrix energy... Read More about A review of solar and wind energy in Paraguay.

Microgrid Power Sharing Framework for Software Defined Networking and Cybersecurity Analysis (2022)
Journal Article
Perez Guzman, R. E., Rivera, M., Wheeler, P., Mirzaeva, G., Espinosa, E. E., & Rohten, J. A. (2022). Microgrid Power Sharing Framework for Software Defined Networking and Cybersecurity Analysis. IEEE Access, 10, 111389-111405. https://doi.org/10.1109/ACCESS.2022.3215434

Hierarchical control is a widely used strategy that can increase resilience and improve the reliability of the electrical network based on microgrid global variables. Large amounts of data required during transitions prompt the use of more reliable a... Read More about Microgrid Power Sharing Framework for Software Defined Networking and Cybersecurity Analysis.

A Current Sensorless Computationally Efficient Model Predictive Control for Matrix Converters (2022)
Conference Proceeding
Sarajian, A., Guan, Q., Wheeler, P., Khaburi, D. A., Kennel, R., & Rodriquez, J. (2022). A Current Sensorless Computationally Efficient Model Predictive Control for Matrix Converters. In 48th Annual Conference of the Industrial Electronics Society (IECON 2022). https://doi.org/10.1109/iecon49645.2022.9969053

Model Predictive Control (MPC) is becoming more popular than ever as an alternative to conventional modulations such as Space Vector Modulation methods to control matrix converters (MCs). However, the implementation of MPC is computationally expensiv... Read More about A Current Sensorless Computationally Efficient Model Predictive Control for Matrix Converters.

Current Sensorless Model Predictive Control of Matrix Converter With Zero Common-Mode Voltage (2022)
Conference Proceeding
Sarajian, A., Guan, Q., Wheeler, P., Khaburi, D. A., Kennel, R., & Rodriquez, J. (2022). Current Sensorless Model Predictive Control of Matrix Converter With Zero Common-Mode Voltage. In 48th Annual Conference of the IEEE Industrial Electronics Society (IECON 2022). https://doi.org/10.1109/iecon49645.2022.9968351

To eliminate the common-mode voltage (CMV) for matrix converters, this paper proposes a current sensorless model predictive control with reduced calculation overhead. In contrast to other traditional CMV-reducing methods which use all permissible swi... Read More about Current Sensorless Model Predictive Control of Matrix Converter With Zero Common-Mode Voltage.

Half-Bridge-Active-Clamp Converter with High Step-down Capabilities for More Electric Aircraft Applications (2022)
Conference Proceeding
Zhu, Y., Yan, X., Wang, Z., Yang, T., Bozhko, S., & Wheeler, P. (2022). Half-Bridge-Active-Clamp Converter with High Step-down Capabilities for More Electric Aircraft Applications. In IECON 2022 – 48th Annual Conference of the IEEE Industrial Electronics Society. https://doi.org/10.1109/iecon49645.2022.9968331

A Half-bridge-active-clamp (HBAC) converter is used as an alternative to replace Dual active bridge (DAB) converter for 540V/28V on-board grid in more electric aircraft applications. The HBAC converter provides an opportunity to reduce the turn-ratio... Read More about Half-Bridge-Active-Clamp Converter with High Step-down Capabilities for More Electric Aircraft Applications.

A Class E-Based Multichannel Auxiliary Power Supply with Load Independent Zero-Voltage-Switching Operation (2022)
Conference Proceeding
Li, Y., Watson, A., Kaya, M., & Wheeler, P. (2022). A Class E-Based Multichannel Auxiliary Power Supply with Load Independent Zero-Voltage-Switching Operation. In 2022 IEEE Energy Conversion Congress and Exposition (ECCE). https://doi.org/10.1109/ECCE50734.2022.9948104

A high performance auxiliary power supply (APS) plays a crucial role in ensuring the reliability and safety of power converter systems. In this paper, a Class E-based multichannel APS, featured with simple circuit structure, zero-voltage-switching (Z... Read More about A Class E-Based Multichannel Auxiliary Power Supply with Load Independent Zero-Voltage-Switching Operation.

Predictive Control Applied to Matrix Converters: A Systematic Literature Review (2022)
Journal Article
Toledo, S., Caballero, D., Maqueda, E., Cáceres, J. J., Rivera, M., Gregor, R., & Wheeler, P. (2022). Predictive Control Applied to Matrix Converters: A Systematic Literature Review. Energies, 15(20), Article 7801. https://doi.org/10.3390/en15207801

Power electronic devices play an important role in energy conversion. Among the options, matrix converters, in combination with predictive control, represent a good alternative for the power conversion stage. Although several reviews have been undert... Read More about Predictive Control Applied to Matrix Converters: A Systematic Literature Review.

Inverse application of artificial intelligence for the control of power converters (2022)
Journal Article
Gao, Y., Wang, S., Hussaini, H., Yang, T., Dragicevic, T., Bozhko, S., …Vazquez, S. (2022). Inverse application of artificial intelligence for the control of power converters. IEEE Transactions on Power Electronics, https://doi.org/10.1109/TPEL.2022.3209093

This paper proposes a novel application method, Inverse Application of Artificial Intelligence (IAAI) for the control of power electronic converter systems. The proposed method can give the desired control coefficients/references in a simple way beca... Read More about Inverse application of artificial intelligence for the control of power converters.

Cooling System Sizing using LPTN Analysis and Multiphysics Modelling for an Axial Flux Machine and Integrated Drive (2022)
Conference Proceeding
Jeffrey, A. J., Connor, P. H., Vakil, G., Evans, P., Wheeler, P., & Hart, S. (2022). Cooling System Sizing using LPTN Analysis and Multiphysics Modelling for an Axial Flux Machine and Integrated Drive. . https://doi.org/10.1109/icem51905.2022.9910820

In this paper a Lumped Parameter Thermal Network (LPTN) is proposed for a Yokeless and Segmented Armature (YASA) axial flux permanent magnet (AFPM) machine. A simulation model is used to examine the machine in isolation, with an Integrated Motor Driv... Read More about Cooling System Sizing using LPTN Analysis and Multiphysics Modelling for an Axial Flux Machine and Integrated Drive.

Modeling Techniques and Stability Analysis Tools for Grid-Connected Converters (2022)
Journal Article
Peng, Q., Buticchi, G., Tan, N. M. L., Guenter, S., Yang, J., & Wheeler, P. (2022). Modeling Techniques and Stability Analysis Tools for Grid-Connected Converters. IEEE Open Journal of Power Electronics, 3, 450-467. https://doi.org/10.1109/OJPEL.2022.3190103

Large-scale integration of renewable generation interfaced to the network through power electronic converters has led to drastic changes in power system dynamics. In islanded microgrids or weak grids, different control concepts for the synchronizatio... Read More about Modeling Techniques and Stability Analysis Tools for Grid-Connected Converters.

An Interleaved Soft Switched High Step-Up Boost Converter With High Power Density for Renewable Energy Applications (2022)
Journal Article
Khorasani, R. R., Jazi, H. M., Chaudhuri, N. R., Khoshkbar-Sadigh, A., Shaneh, M., Adib, E., & Wheeler, P. (2022). An Interleaved Soft Switched High Step-Up Boost Converter With High Power Density for Renewable Energy Applications. IEEE Transactions on Power Electronics, 37(11), 13782-13798. https://doi.org/10.1109/TPEL.2022.3181946

In this article, a novel soft switched interleaved boost structure with a simple auxiliary circuit is proposed which is suitable for stand-alone loads or ac grid applications. In this topology, coupled inductors and switched capacitor cells of parall... Read More about An Interleaved Soft Switched High Step-Up Boost Converter With High Power Density for Renewable Energy Applications.

Generalised model predictive controller design for A DC–DC non-inverting buck–boost converter optimised with a novel identification technique (2022)
Journal Article
Ghamari, S. M., Khavari, F., Molaee, H., & Wheeler, P. (2022). Generalised model predictive controller design for A DC–DC non-inverting buck–boost converter optimised with a novel identification technique. IET Power Electronics, https://doi.org/10.1049/pel2.12309

An on-line generalised model predictive control (GMPC) strategy is designed and optimised with a novel identification procedure in the presence of different disturbances. The principle of MPC is utilising a discrete-time model of a system to reach th... Read More about Generalised model predictive controller design for A DC–DC non-inverting buck–boost converter optimised with a novel identification technique.

Control-Based Two-Layer Protection for Short-Circuit Fault at an LVDC Feeder Branch (2022)
Journal Article
Yang, J., Brueske, S., Buticchi, G., Gu, C., Guenter, S., & Wheeler, P. (2022). Control-Based Two-Layer Protection for Short-Circuit Fault at an LVDC Feeder Branch. Energies, 15(11), Article 4054. https://doi.org/10.3390/en15114054

Low-voltage dc distribution offers high efficiency for grid integration of dc-based technologies such as photovoltaic and battery storage systems and new loads such as charging stations for electric vehicles due to reduced number of conversion stages... Read More about Control-Based Two-Layer Protection for Short-Circuit Fault at an LVDC Feeder Branch.

Hybrid Active Modulation Strategy for Three-Level Neutral-Point-Clamped Converters in High-Speed Aerospace Drives (2022)
Journal Article
Guo, F., Yang, T., Diab, A. M., Huang, Z., Yeoh, S. S., Bozhko, S., & Wheeler, P. (2023). Hybrid Active Modulation Strategy for Three-Level Neutral-Point-Clamped Converters in High-Speed Aerospace Drives. IEEE Transactions on Industrial Electronics, 70(4), 3449-3460. https://doi.org/10.1109/tie.2022.3176309

In the aircraft electric starter/generator system, the three-level neutral-point-clamped converters play a crucial role in driving turbofan engines and delivering onboard electrical power. However, the conventional pulsewidth modulation (PWM) strateg... Read More about Hybrid Active Modulation Strategy for Three-Level Neutral-Point-Clamped Converters in High-Speed Aerospace Drives.

Generalised predictive controller (GPC) design on single‐phase full‐bridge inverter with a novel identification method (2022)
Journal Article
Memeghani, M. J., Ghamari, S. M., Jouybari, T. Y., Mollaee, H., & Wheeler, P. (2023). Generalised predictive controller (GPC) design on single‐phase full‐bridge inverter with a novel identification method. IET Control Theory and Applications, 17(3), 284-294. https://doi.org/10.1049/cth2.12295

The design of an on-line generalised predictive control (GPC) technique with a novel identification method is presented in this paper for a single-phase full-bridge inverter in the presence of different disturbances. The controller uses system discre... Read More about Generalised predictive controller (GPC) design on single‐phase full‐bridge inverter with a novel identification method.

Analytical Modeling of Self- and Mutual Inductances of DD Coils in Wireless Power Transfer Applications (2022)
Journal Article
Alkasir, A., Abdollahi, S. E., Abdollahi, S., & Wheeler, P. (2022). Analytical Modeling of Self- and Mutual Inductances of DD Coils in Wireless Power Transfer Applications. Journal of Electromagnetic Engineering and Science, 22(2), 162-170. https://doi.org/10.26866/jees.2022.2.r.73

Self- and mutual inductances are major design parameters for wireless power transfer (WPT) systems. To optimize a WPT system and estimate its performance in terms of received power and efficiency, it is essential to obtain a simple, fast, and accurat... Read More about Analytical Modeling of Self- and Mutual Inductances of DD Coils in Wireless Power Transfer Applications.

A Two-Step Horizon Optimum Switching Vector-Model Predictive Control with a Novel Shunt Active Filter Reference Current Extraction (2022)
Journal Article
Cheepati, K. R., Rivera, M., Wheeler, P., Subburaj, V., Krishnan, S., Babu Daram, S., & Amaresh, K. (2022). A Two-Step Horizon Optimum Switching Vector-Model Predictive Control with a Novel Shunt Active Filter Reference Current Extraction. Journal of Circuits, Systems, and Computers, 31(10), Article 2250174. https://doi.org/10.1142/s0218126622501742

Shunt active filters (SAFs) can be used for harmonic mitigation, reactive power compensation and power factor control in electrical distribution networks. Model predictive controller (MPC) can be used to give optimum performance for SAF's due to its... Read More about A Two-Step Horizon Optimum Switching Vector-Model Predictive Control with a Novel Shunt Active Filter Reference Current Extraction.

Mild hybridisation of turboprop engine with high-power-density integrated electric drives (2022)
Journal Article
Cossart, G., Chen, Y., Yang, T., Khowja, M., La Rocca, A., Nasir, U., …Wheeler, P. (2022). Mild hybridisation of turboprop engine with high-power-density integrated electric drives. IEEE Transactions on Transportation Electrification, 8(4), 4148-4162. https://doi.org/10.1109/TTE.2022.3160153

This paper shares with the aerospace community a case study of turboprop mild hybridisation using a recently developed integrated drive system in the University of Nottingham, UK, within the ACHIEVE project under EU H2020 CleanSky 2 program (project... Read More about Mild hybridisation of turboprop engine with high-power-density integrated electric drives.

The More-Electric Aircraft and Beyond (2022)
Journal Article
Buticchi, G., Wheeler, P., & Boroyevich, D. (2022). The More-Electric Aircraft and Beyond. Proceedings of the IEEE, https://doi.org/10.1109/JPROC.2022.3152995

Aviation is a significant contributor to greenhouse gas (GHG) emissions in the transportation sector. As the adoption of electric cars increases and GHG emissions due to other modes of transport decrease, the impact of air travel on environmental pol... Read More about The More-Electric Aircraft and Beyond.

A study of weighting factor design in model predictive control applications (2022)
Conference Proceeding
Rojas, D., Rivera, M., Munoz, J., Baier, C., & Wheeler, P. (2022). A study of weighting factor design in model predictive control applications. In 2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON). https://doi.org/10.1109/chilecon54041.2021.9702932

Weighting factor selection is considered to be a crucial aspect in the design of a predictive controller. In this paper a study of the design of weighting factors for different cost functions is presented. The study is based on three examples: switch... Read More about A study of weighting factor design in model predictive control applications.

Cyber-attacks in modular multilevel converters (2022)
Journal Article
Burgos-Mellado, C., Donoso, F., Dragicevic, T., Cardenas-Dobson, R., Wheeler, P., Clare, J. C., & Watson, A. J. (2022). Cyber-attacks in modular multilevel converters. IEEE Transactions on Power Electronics, https://doi.org/10.1109/TPEL.2022.3147466

Distributed control of modular multilevel converter (MMC) submodules offers several potential benefits such as flexibility and modularity. In this approach, low-level control tasks, such as capacitor voltage balancing, can be distributed amongst cont... Read More about Cyber-attacks in modular multilevel converters.

FEA based Transformer Loss Analysis for Dual Active Bridge DC-DC Converter using Triple Phase Shift Modulation (2022)
Journal Article
Akbar, S. M., Hasan, A., Watson, A. J., & Wheeler, P. (2022). FEA based Transformer Loss Analysis for Dual Active Bridge DC-DC Converter using Triple Phase Shift Modulation. IEEE Journal of Emerging and Selected Topics in Power Electronics, https://doi.org/10.1109/JESTPE.2022.3148355

High frequency transformers are a key component of dual active bridge (DAB) dc-dc converters, providing isolation and voltage scaling. The losses in the transformer should be minimized to improve efficiency and extend lifetime. The existing research... Read More about FEA based Transformer Loss Analysis for Dual Active Bridge DC-DC Converter using Triple Phase Shift Modulation.

Predictive current control strategy for a single phase direct matrix converter (2021)
Conference Proceeding
Rojas, D., Rivera, M., & Wheeler, P. (2021). Predictive current control strategy for a single phase direct matrix converter. . https://doi.org/10.1109/CHILECON54041.2021.9702943

This paper considers some of the aspects of applying predictive control to a single phase Matrix Converter. Among all the proposed control techniques for Matrix Converters, predictive control has become a plausible and versatile option due to its abi... Read More about Predictive current control strategy for a single phase direct matrix converter.

Sequential FCS-MPC for open phase fault tolerant control applied to SynRM (2021)
Conference Proceeding
Frias, G., Catuogno, G., Rivera, M., Wheeler, P., & Garcia, G. (2021). Sequential FCS-MPC for open phase fault tolerant control applied to SynRM. . https://doi.org/10.1109/CHILECON54041.2021.9703089

Model predictive control is a very attractive solution for electric drives and converter control, but while classic model predictive controls give good results, the choice of weighting factors is often somewhat complex and even more so when the syste... Read More about Sequential FCS-MPC for open phase fault tolerant control applied to SynRM.

Control strategies of photovoltaic systems (2021)
Conference Proceeding
Fuentes, R., Rojas, D., Rivera, M., Riveros, J., Munoz, J., & Wheeler, P. (2021). Control strategies of photovoltaic systems. . https://doi.org/10.1109/chilecon54041.2021.9702993

The control in an inverter system for photovoltaic applications is important as it can impact on the efficiency of the system. In this paper a review of the main control strategies used in photovoltaic systems is presented. The study is divided into... Read More about Control strategies of photovoltaic systems.

Cascaded predictive control for a three-phase VSI with different cost functions (2021)
Conference Proceeding
Rojas, D., Rivera, M., Munoz, J., & Wheeler, P. (2021). Cascaded predictive control for a three-phase VSI with different cost functions. . https://doi.org/10.1109/CHILECON54041.2021.9703077

Predictive control for power converters has been gaining interest as well as popularity in recent years. This paper presents a cascade predictive control for a voltage source inverter which is evaluated with different control objectives to meet a ran... Read More about Cascaded predictive control for a three-phase VSI with different cost functions.

Predictive control techniques applied to a 2L-VSI (2021)
Conference Proceeding
Rojas, D., Rivera, M., Toledo, S., & Wheeler, P. (2021). Predictive control techniques applied to a 2L-VSI. . https://doi.org/10.1109/CHILECON54041.2021.9702915

In recent years, Model Based Predictive Control (MPC), applied to power converters, has been successfully presented as an alternative to traditional control techniques due to its fast dynamic response, ability to incorporate various requirements of c... Read More about Predictive control techniques applied to a 2L-VSI.

Effect of model parameter errors in model predictive control applications (2021)
Conference Proceeding
Rojas, D., Rivera, M., Munoz, J., Wheeler, P., Zanchetta, P., & Mirzaeva, G. (2021). Effect of model parameter errors in model predictive control applications. . https://doi.org/10.1109/CHILECON54041.2021.9702942

When implementing predictive control strategies for power electronic converters a good model of the system is needed because this model determines the quality of the resulting controller. In this paper a study of the model parameter error effects in... Read More about Effect of model parameter errors in model predictive control applications.

A comparative study of predictive control techniques in a voltage source inverter (2021)
Conference Proceeding
Rojas, D., Rivera, M., Munoz, J., & Wheeler, P. (2021). A comparative study of predictive control techniques in a voltage source inverter. . https://doi.org/10.1109/chilecon54041.2021.9703047

Predictive control has emerged as an alternative to conventional modulation and control of power converters. This article presents a comparison between a classical predictive control technique and a technique operating at a fixed switching frequency,... Read More about A comparative study of predictive control techniques in a voltage source inverter.

Critical scenarios identification in power system simulations using graph measures and machine learning (2021)
Conference Proceeding
Reyes, A., Salgueiro, Y., Rivera, M., Camargo, J., Hernandez, A., & Wheeler, P. (2021). Critical scenarios identification in power system simulations using graph measures and machine learning. . https://doi.org/10.1109/chilecon54041.2021.9703001

It is essential that electrical power systems are constructed with a reliable and resilient infrastructure. The evaluation of convergence scenarios of the load flow is a technique widely used to study the reliability of energy systems. This paper con... Read More about Critical scenarios identification in power system simulations using graph measures and machine learning.

Solar energy in the agrifood industry (2021)
Conference Proceeding
Fuentes, R., Rojas, D., Rivera, M., Riveros, J., Munoz, J., & Wheeler, P. (2021). Solar energy in the agrifood industry. . https://doi.org/10.1109/chilecon54041.2021.9702972

The agriculture and food industry is very important for human society development and is constantly growing with the world's population. Agriculture is also among the activities that generate a lot of greenhouse gases, therefore there is a need to op... Read More about Solar energy in the agrifood industry.

General view of solar energy (2021)
Conference Proceeding
Fuentes, R., Rojas, D., Rivera, M., Riveros, J., Munoz, J., & Wheeler, P. (2021). General view of solar energy. In 2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies, CHILECON 2021. https://doi.org/10.1109/chilecon54041.2021.9702964

Solar energy is considered clean, renewable and seemingly inexhaustible source of energy. Solar Energy has been used since ancient times for light and as heat, but in the 20th century, thanks to technological advances, different devices have been dev... Read More about General view of solar energy.

Technologies and MPPT algorithms for solar energy applications (2021)
Conference Proceeding
Fuentes, R., Rojas, D., Rivera, M., Riveros, J., Munoz, J., & Wheeler, P. (2021). Technologies and MPPT algorithms for solar energy applications. . https://doi.org/10.1109/chilecon54041.2021.9702987

Due to environmental policies and the advancement of solar technology, the generation of electrical energy based on photovoltaic cells has become an important contributor to the renewable energy resource mix. In recent years, the development of photo... Read More about Technologies and MPPT algorithms for solar energy applications.

Solar Energy in the Mining Industry (2021)
Conference Proceeding
Fuentes, R., Rojas, D., Rivera, M., Riveros, J., Munoz, J., & Wheeler, P. (2021). Solar Energy in the Mining Industry. . https://doi.org/10.1109/INGELECTRA54297.2021.9748073

Solar energy has become very important in recent years, mainly because it is a clean and inexhaustible source. This paper presents a review of the use of solar energy in the mining industry. A global approach will be made, indicating the uses that ar... Read More about Solar Energy in the Mining Industry.

Predictive Control Strategies in a Two-Level Voltage Source Inverter (2021)
Conference Proceeding
Rivera, M., Riveros, J., Munoz, J., & Wheeler, P. (2021). Predictive Control Strategies in a Two-Level Voltage Source Inverter. In 2021 IEEE Congreso Estudiantil de Electrónica y Electricidad (INGELECTRA). https://doi.org/10.1109/ingelectra54297.2021.9748072

In recent years, predictive control has emerged as an alternative for the control of power electronic converters. In this paper, a comparison is presented between the implementation of a predictive current control strategy operating at variable switc... Read More about Predictive Control Strategies in a Two-Level Voltage Source Inverter.

Enhancement of dynamic wireless power transfer system by model predictive control (2021)
Journal Article
Alkasir, A., Abdollahi, S. E., Abdollahi, S. R., & Wheeler, P. (2022). Enhancement of dynamic wireless power transfer system by model predictive control. IET Power Electronics, 15(1), 67-79. https://doi.org/10.1049/pel2.12213

Wireless power transfer (WPT) system based on a dynamic wireless charging (DWC) scheme, eliminates waiting time for charging electric vehicles (EVs), increases the range of motion, reduces the size of Li-ion battery, and automates the charging proces... Read More about Enhancement of dynamic wireless power transfer system by model predictive control.

Unified Cost Function Model Predictive Control for a three-stage Smart Transformer (2021)
Conference Proceeding
Tarisciotti, L., Buticchi, G., De Carne, G., Yang, J., Gu, C., & Wheeler, P. (2021). Unified Cost Function Model Predictive Control for a three-stage Smart Transformer. . https://doi.org/10.1109/ECCE47101.2021.9595809

The massive integration of power electronics-based renewable energy sources has profoundly changed the electrical grid. In this scenario, the smart transformer, which is a solid-state transformer with advanced control and communication features, has... Read More about Unified Cost Function Model Predictive Control for a three-stage Smart Transformer.

Active Rectifier Control for Selective Fuse Tripping in a DC Microgrid (2021)
Conference Proceeding
Yang, J., Buticchi, G., Gu, C., Wheeler, P., & Bruske, S. (2021). Active Rectifier Control for Selective Fuse Tripping in a DC Microgrid. In IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society. https://doi.org/10.1109/IECON48115.2021.9589535

Distributed energy resources and new loads such as fast charging stations for electric vehicles are often dc-based. By using low-voltage dc microgrids to connect such systems to the grid, conversion stages can be omitted and higher efficiencies can b... Read More about Active Rectifier Control for Selective Fuse Tripping in a DC Microgrid.

A Simple PWM Strategy for Three-Level NPC Converters in Aircraft Electric Starter/Generator System With Improved DC-Link Voltage Utilization and Reduced Common-Mode Voltage (2021)
Conference Proceeding
Guo, F., Yang, T., Yeoh, S. S., Bozhko, S., Wheeler, P., & Diab, A. M. (2021). A Simple PWM Strategy for Three-Level NPC Converters in Aircraft Electric Starter/Generator System With Improved DC-Link Voltage Utilization and Reduced Common-Mode Voltage. . https://doi.org/10.1109/ECCE47101.2021.9595933

Due to the employment of three-level neutral-point-clamped (3L-NPC) converters in the aircraft electric starter/generator (ESG) systems, the pulse-width-modulation (PWM) strategy plays a significant role in the converter-fed PMSM drives. However, the... Read More about A Simple PWM Strategy for Three-Level NPC Converters in Aircraft Electric Starter/Generator System With Improved DC-Link Voltage Utilization and Reduced Common-Mode Voltage.

A Stable and Robust DC Power System for More Electric Aircraft (2021)
Conference Proceeding
Mirzaeva, G., Miller, D., Goodwin, G., & Wheeler, P. (2021). A Stable and Robust DC Power System for More Electric Aircraft. . https://doi.org/10.1109/ECCE47101.2021.9595813

More Electric Aircraft’ (MEA) is a trend for medium and long haul airliners, in which all functions except propulsion are powered by engine-driven electrical generators. Power systems for MEA are in the process of rapid development. Constant Power Lo... Read More about A Stable and Robust DC Power System for More Electric Aircraft.

Modeling and experimental evaluation of z-source modular multilevel converter using reduced inserted cells technique (2021)
Journal Article
Khera, F. A., Klumpner, C., & Wheeler, P. (2021). Modeling and experimental evaluation of z-source modular multilevel converter using reduced inserted cells technique. IEEE Access, 9, 133091-133101. https://doi.org/10.1109/ACCESS.2021.3115634

The integration of a Z-source network with a modular multilevel converter (MMC) to provide voltage step-up function is proposed in this paper. The proposed Z-source modular multilevel converter (ZS-MMC) uses a Z-source network connected between the D... Read More about Modeling and experimental evaluation of z-source modular multilevel converter using reduced inserted cells technique.

A Switched-DC Source Sub-Module Multilevel Inverter Topology for Renewable Energy Source Applications (2021)
Journal Article
Hosseinzadeh, M. A., Sarebanzadeh, M., Babaei, E., Rivera, M., & Wheeler, P. (2021). A Switched-DC Source Sub-Module Multilevel Inverter Topology for Renewable Energy Source Applications. IEEE Access, 9, 135964-135982. https://doi.org/10.1109/access.2021.3115660

This article presents a sub-module topology for switched DC source cascaded multilevel inverter configurations that require fewer switching devices and can generate a high number of voltage levels that are suitable for renewable energy sources. The p... Read More about A Switched-DC Source Sub-Module Multilevel Inverter Topology for Renewable Energy Source Applications.

Technical Review of Dual Inverter Topologies for More Electric Aircraft Applications (2021)
Journal Article
Huang, Z., Yang, T., Giangrande, P., Galea, M., & Wheeler, P. (2021). Technical Review of Dual Inverter Topologies for More Electric Aircraft Applications. IEEE Transactions on Transportation Electrification, https://doi.org/10.1109/tte.2021.3113606

Electric drives are an essential part of more electric aircraft (MEA) applications with ever-growing demands for high power density, high performance, and high fault-tolerant capability. High-speed motor drives can fulfil those needs, but their speed... Read More about Technical Review of Dual Inverter Topologies for More Electric Aircraft Applications.

Neural Network aided PMSM multi-objective design and optimization for more-electric aircraft applications (2021)
Journal Article
Gao, Y., Yang, T., Bozhko, S., Wheeler, P., Dragicevic, T., & Gerada, C. (2022). Neural Network aided PMSM multi-objective design and optimization for more-electric aircraft applications. Chinese Journal of Aeronautics, 35(10), 233-246. https://doi.org/10.1016/j.cja.2021.08.006

This study uses the Neural Network (NN) technique to optimize design of surface-mounted Permanent Magnet Synchronous Motors (PMSMs) for More-Electric Aircraft (MEA) applications. The key role of NN is to provide dedicated correction factors for the a... Read More about Neural Network aided PMSM multi-objective design and optimization for more-electric aircraft applications.

Soft-switching non-isolated high step-up three-level boost converter using single magnetic element (2021)
Journal Article
Jazi, H. M., Fekri, M., Keshani, M., Khorasani, R. R., Adib, E., Wheeler, P., …Velasco‐Quesada, G. (2021). Soft-switching non-isolated high step-up three-level boost converter using single magnetic element. IET Power Electronics, 14(14), 2324-2336. https://doi.org/10.1049/pel2.12183

Here, a soft switched three-level boost converter with high voltage gain is proposed which is suitable for high step-up applications with wide output power range. In this converter, a ZVT auxiliary circuit is used which provides soft switching in a w... Read More about Soft-switching non-isolated high step-up three-level boost converter using single magnetic element.

Femtocore: An Application Specific Processor for Vertically Integrated High Performance Real-Time Controls (2021)
Journal Article
Savi, F., Harikumaran, J., Barater, D., Buticchi, G., Gerada, C., & Wheeler, P. (2021). Femtocore: An Application Specific Processor for Vertically Integrated High Performance Real-Time Controls. IEEE Open Journal of the Industrial Electronics Society, 2, 479-488. https://doi.org/10.1109/OJIES.2021.3112124

In applications that require a high availability and high performance (for example aerospace),modular power electronics and multi-phase machines represent an advantageous choice. In this framework, a control system able to handle a high number of PWM... Read More about Femtocore: An Application Specific Processor for Vertically Integrated High Performance Real-Time Controls.

Design Considerations for High-Voltage High-Current Bi-Directional DC Solid-State Circuit Breaker (SSCB) for Aerospace Applications (2021)
Conference Proceeding
Fayyaz, A., Wang, Z., Ortiz, M. U., Yang, T., & Wheeler, P. (2021). Design Considerations for High-Voltage High-Current Bi-Directional DC Solid-State Circuit Breaker (SSCB) for Aerospace Applications. In 2021 23rd European Conference on Power Electronics and Applications (EPE'21 ECCE Europe). https://doi.org/10.23919/epe21ecceeurope50061.2021.9570659

Design of a high-voltage and high-current solid-state circuit breaker (SSCB) for aerospace applications is highly challenging, as the overall system should comply with the most stringent operating environment. In addition, the implemented power semic... Read More about Design Considerations for High-Voltage High-Current Bi-Directional DC Solid-State Circuit Breaker (SSCB) for Aerospace Applications.

Predictive Torque Control of an Induction Machine - Voltage Source Inverter System (2021)
Conference Proceeding
Rivera, M., Riveros, J. A., & Wheeler, P. (2021). Predictive Torque Control of an Induction Machine - Voltage Source Inverter System. In 2021 IEEE PES/IAS PowerAfrica. https://doi.org/10.1109/powerafrica52236.2021.9543164

Predictive control techniques have emerged as a suitable solution for the control of motor drive systems. In this paper, a predictive control strategy for the flux and torque control of an induction machine fed by a voltage source inverter is present... Read More about Predictive Torque Control of an Induction Machine - Voltage Source Inverter System.

An Overmodulation Algorithm With Neutral-Point Voltage Balancing for Three-Level Converters in High-Speed Aerospace Drives (2021)
Journal Article
Guo, F., Yang, T., Diab, A. M., Yeoh, S. S., Li, C., Bozhko, S., & Wheeler, P. (2022). An Overmodulation Algorithm With Neutral-Point Voltage Balancing for Three-Level Converters in High-Speed Aerospace Drives. IEEE Transactions on Power Electronics, 37(2), 2021-2032. https://doi.org/10.1109/tpel.2021.3105752

In this article, a virtual space vector based overmodulation algorithm is presented for three-level neutral-point (NP) clamped converters in high-speed aerospace motor drives. With the proposed inscribed polygonal-boundary compression technique, the... Read More about An Overmodulation Algorithm With Neutral-Point Voltage Balancing for Three-Level Converters in High-Speed Aerospace Drives.

An enhanced feedforward flux weakening control for high-speed permanent magnet machine drive applications (2021)
Journal Article
Lang, X., Yang, T., Li, C., Yeoh, S. S., Bozhko, S., & Wheeler, P. (2021). An enhanced feedforward flux weakening control for high-speed permanent magnet machine drive applications. IET Power Electronics, 14(13), 2179-2193. https://doi.org/10.1049/pel2.12170

Permanent magnet machines have been used in the high-speed drive applications due to their high-efficiency, high-power-density, and wide-speed range characteristics. However, control of such high-speed permanent magnet machines machine is always chal... Read More about An enhanced feedforward flux weakening control for high-speed permanent magnet machine drive applications.

Integrated motor drive: Mass and volume optimization of the motor with an integrated filter inductor (2021)
Journal Article
Khowja, M. R., Vakil, G., Gerada, C., Patel, C., Odhano, S., & Wheeler, P. (2021). Integrated motor drive: Mass and volume optimization of the motor with an integrated filter inductor. Energies, 14(15), Article 4564. https://doi.org/10.3390/en14154564

The present trend of aerospace industries is being shifted towards a “More Electric Aircraft” system which needs to be high power dense. For this purpose, the integration technologies have gained massive interest, providing the benefits of reduced lo... Read More about Integrated motor drive: Mass and volume optimization of the motor with an integrated filter inductor.

Model Predictive Control with Triple Phase Shift Modulation for a Dual Active Bridge DC-DC Converter (2021)
Journal Article
Akbar, S. M., Hasan, A., Watson, A. J., & Wheeler, P. (2021). Model Predictive Control with Triple Phase Shift Modulation for a Dual Active Bridge DC-DC Converter. IEEE Access, 9, 98603-98614. https://doi.org/10.1109/ACCESS.2021.3095553

A fast dynamic response is one of the key demands for the dual active bridge (DAB) dc-dc converter to achieve a well-regulated output voltage over a wide range of operating conditions. Recently, model predictive control (MPC) has become a promising a... Read More about Model Predictive Control with Triple Phase Shift Modulation for a Dual Active Bridge DC-DC Converter.

Stability Improvement of Onboard HVdc Grid and Engine Using an Advanced Power Generation Center for the More-Electric Aircraft (2021)
Journal Article
Lang, X., Yang, T., Huang, Z., Wang, C., Wang, Z., Bozhko, S., & Wheeler, P. (2021). Stability Improvement of Onboard HVdc Grid and Engine Using an Advanced Power Generation Center for the More-Electric Aircraft. IEEE Transactions on Transportation Electrification, 8(1), 660-674. https://doi.org/10.1109/tte.2021.3095256

In the high-power settings of engine, such as maximum take-off, more power should be extracted from the high-pressure spool of engine (HPS) than the low-pressure spool of engine (LPS) to avoid the overspeed and potential instability of the HPS. Howev... Read More about Stability Improvement of Onboard HVdc Grid and Engine Using an Advanced Power Generation Center for the More-Electric Aircraft.

Reduction of Torsional Vibrations Excited by Electromechanical Interactions in More Electric Systems (2021)
Journal Article
Ahumada, C., & Wheeler, P. (2021). Reduction of Torsional Vibrations Excited by Electromechanical Interactions in More Electric Systems. IEEE Access, 9, 95036-95045. https://doi.org/10.1109/ACCESS.2021.3094172

This paper studies the excitation of torsional vibrations by electromechanical interaction after the connection of electrical loads. Electrical generation and power system in aircraft are becoming of key importance, especially considering the current... Read More about Reduction of Torsional Vibrations Excited by Electromechanical Interactions in More Electric Systems.

Fault Tolerant Control of Advanced Power Generation Center for More-Electric Aircraft Applications (2021)
Journal Article
Lang, X., Yang, T., Wang, Z., Wang, C., Bozhko, S., & Wheeler, P. (2021). Fault Tolerant Control of Advanced Power Generation Center for More-Electric Aircraft Applications. IEEE Transactions on Transportation Electrification, https://doi.org/10.1109/tte.2021.3093506

This paper presents a control scheme for a recently reported aircraft advanced power generation center (APGC) during postfault operation conditions. Within the APGC, two electrical generators extract power from two separate engine shafts and supply e... Read More about Fault Tolerant Control of Advanced Power Generation Center for More-Electric Aircraft Applications.

A novel adaptive cascade controller design on a buck–boost DC–DC converter with a fractional-order PID voltage controller and a self-tuning regulator adaptive current controller (2021)
Journal Article
Mollaee, H., Ghamari, S. M., Saadat, S. A., & Wheeler, P. (2021). A novel adaptive cascade controller design on a buck–boost DC–DC converter with a fractional-order PID voltage controller and a self-tuning regulator adaptive current controller. IET Power Electronics, 14(11), 1920-1935. https://doi.org/10.1049/pel2.12159

The design of a cascade controller is demonstrated for a buck–boost converter that is combined with two control loops consisting of inner and outer controllers. The outer loop is implemented by a fractional-order proportional-integrated-derivative (F... Read More about A novel adaptive cascade controller design on a buck–boost DC–DC converter with a fractional-order PID voltage controller and a self-tuning regulator adaptive current controller.

Development of Solar Energy in Chile and the World (2021)
Conference Proceeding
Rivera, M., Rojas, D., Fuentes, R., & Wheeler, P. (2021). Development of Solar Energy in Chile and the World. In 2021 IEEE 48th Photovoltaic Specialists Conference (PVSC) (2453-2457). https://doi.org/10.1109/pvsc43889.2021.9518607

Chile is a country with a huge potential for solar energy. This paper presents an analyses of the global situation of solar energy, identifying the geographical regions with the maximum potential source of solar energy. These areas tend to be in dese... Read More about Development of Solar Energy in Chile and the World.

Evaluation of Input-Shaping Control Robustness for the Reduction of Torsional Vibrations (2021)
Journal Article
Ahumada, C., & Wheeler, P. (2021). Evaluation of Input-Shaping Control Robustness for the Reduction of Torsional Vibrations. IEEE Transactions on Industry Applications, 57(5), 5028-5038. https://doi.org/10.1109/TIA.2021.3087673

Aircraft drivetrains connect the engine to the electrical power system. In most cases, the drivetrains are relatively flexible and have vibration modes with values below 100 Hz to reduce weight and size. Therefore, electrical loads' connection and di... Read More about Evaluation of Input-Shaping Control Robustness for the Reduction of Torsional Vibrations.

An Enhanced Virtual Space Vector Modulation Scheme of Three-Level NPC Converters for More-Electric-Aircraft Applications (2021)
Journal Article
Guo, F., Yang, T., Diab, A., Yeoh, S. S., Bozhko, S., & Wheeler, P. (2021). An Enhanced Virtual Space Vector Modulation Scheme of Three-Level NPC Converters for More-Electric-Aircraft Applications. IEEE Transactions on Industry Applications, 57(5), 5239-5251. https://doi.org/10.1109/tia.2021.3085798

Multilevel converters have been used for aircraft electric starter/generator (ESG) systems due to their high power qualities. One of the desirable topologies is the three-level neutral-point-clamped (3L-NPC) converter. Our studied ESG system operates... Read More about An Enhanced Virtual Space Vector Modulation Scheme of Three-Level NPC Converters for More-Electric-Aircraft Applications.

Comparative Study of Classical and MPC Control for Single-Phase MMC Based on V-HIL Simulations (2021)
Journal Article
Majstorovic, M., Rivera, M., Ristic, L., & Wheeler, P. (2021). Comparative Study of Classical and MPC Control for Single-Phase MMC Based on V-HIL Simulations. Energies, 14(11), Article 3230. https://doi.org/10.3390/en14113230

The operation of single-phase Modular Multilevel Converter (MMC) is analyzed in the paper. A mathematical model of the converter is developed and described, based on which the structure and selection of parameters for Classical Control and Optimal Sw... Read More about Comparative Study of Classical and MPC Control for Single-Phase MMC Based on V-HIL Simulations.

Hybrid sensorless motor control in aerospace applications, a survey in sensorless control, optimizing for availability and acoustic noise (2021)
Conference Proceeding
Skoulaxinos, S., Wheeler, P., & Vakil, G. (2021). Hybrid sensorless motor control in aerospace applications, a survey in sensorless control, optimizing for availability and acoustic noise. In 2021 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (175-180). https://doi.org/10.1109/WEMDCD51469.2021.9425663

A wide range of aerospace applications previously based on hydraulics including the control of aerodynamic surfaces are being actively replaced by lighter, more intelligent Motor Drive Electronics (MDEs). However, motor resolvers commonly used to pro... Read More about Hybrid sensorless motor control in aerospace applications, a survey in sensorless control, optimizing for availability and acoustic noise.

4-MW Class High-Power-Density Generator for Future Hybrid-Electric Aircraft (2021)
Journal Article
Golovanov, D., Gerada, D., Sala, G., Degano, M., Trentin, A., Connor, P. H., …Gerada, C. (2021). 4-MW Class High-Power-Density Generator for Future Hybrid-Electric Aircraft. IEEE Transactions on Transportation Electrification, 7(4), 2952-2964. https://doi.org/10.1109/TTE.2021.3068928

This article describes the underpinning research, development, construction, and testing of a 4-MW multithree phase generator designed for a hybrid-electric aircraft propulsion system demonstrator. The aim of the work is to demonstrate gravimetric po... Read More about 4-MW Class High-Power-Density Generator for Future Hybrid-Electric Aircraft.

Reactive Power Control Using a Model-Based Predictive Control Strategy Applied to an Indirect Matrix Converter (2021)
Conference Proceeding
Rojas, D., Rivera, M., Toledo, S., & Wheeler, P. (2021). Reactive Power Control Using a Model-Based Predictive Control Strategy Applied to an Indirect Matrix Converter. In 2021 IEEE International Conference on Automation/XXIV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/icaacca51523.2021.9465205

Reactive power is often an issue of concern for the operation of alternating current (AC) electrical power systems. This work aims to apply a model-based predictive control (MPC) to an indirect matrix converter (IMC) to improve the power factor at th... Read More about Reactive Power Control Using a Model-Based Predictive Control Strategy Applied to an Indirect Matrix Converter.

Predictive Voltage Control at Fixed Switching Frequency with Reduced Reactive Power in a Direct Matrix Converter (2021)
Conference Proceeding
Rojas, D., Rivera, M., Toledo, S., & Wheeler, P. (2021). Predictive Voltage Control at Fixed Switching Frequency with Reduced Reactive Power in a Direct Matrix Converter. In 2021 IEEE International Conference on Automation/XXIV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/icaacca51523.2021.9465334

Classical predictive control implementations generate variable switching frequency which could produce input filter resonances in matrix converters topologies, affecting system performance. This paper considers the application of predictive control t... Read More about Predictive Voltage Control at Fixed Switching Frequency with Reduced Reactive Power in a Direct Matrix Converter.

Predictive Torque and Flux Control of an Induction Machine Fed by a Voltage Source Inverter (2021)
Conference Proceeding
Rivera, M., Riveros, J., Rodriguez, C., Wheeler, P., & Rohten, J. (2021). Predictive Torque and Flux Control of an Induction Machine Fed by a Voltage Source Inverter. In 2021 IEEE International Conference on Automation/XXIV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/icaacca51523.2021.9465179

Model predictive control strategies have recently emerged as a viable alternative for the control of power electronic converters in a range of applications. In this paper a new model predictive control technique for both the ux and torque of an induc... Read More about Predictive Torque and Flux Control of an Induction Machine Fed by a Voltage Source Inverter.

Predictive Control Operating at Fixed Switching Frequency of an Induction Machine Fed by a Voltage Source Inverter (2021)
Conference Proceeding
Rivera, M., Riveros, J., Rodriguez, C., & Wheeler, P. (2021). Predictive Control Operating at Fixed Switching Frequency of an Induction Machine Fed by a Voltage Source Inverter. . https://doi.org/10.1109/icaacca51523.2021.9465249

Predictive torque control (PTC) has been established as one of the viable solutions for variable-speed motor drive control, particularly where a fast response for torque and flux control is required. The main reason for its adoption is the exible arc... Read More about Predictive Control Operating at Fixed Switching Frequency of an Induction Machine Fed by a Voltage Source Inverter.

Field-Oriented Control with a Predictive Current Strategy of an Induction Machine Fed by a Two-Level Voltage Source Inverter (2021)
Conference Proceeding
Rivera, M., Riveros, J. A., Rodriguez, C., & Wheeler, P. (2021). Field-Oriented Control with a Predictive Current Strategy of an Induction Machine Fed by a Two-Level Voltage Source Inverter. . https://doi.org/10.1109/icaacca51523.2021.9465232

Industrial Motor Drives require often required optimal speed and torque control. This work presents the implementation of a eld-oriented control (FOC) with a predictive current control strategy for an induction machine fed by a voltage source inverte... Read More about Field-Oriented Control with a Predictive Current Strategy of an Induction Machine Fed by a Two-Level Voltage Source Inverter.

A Study of Cost Function Selection in Model Predictive Control Applications (2021)
Conference Proceeding
Rojas, D., Rivera, M., Wheeler, P., Zanchetta, P., Mirzaeva, G., & Rohten, J. (2021). A Study of Cost Function Selection in Model Predictive Control Applications. In 2021 IEEE International Conference on Automation/XXIV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/icaacca51523.2021.9465326

The cost function selection is considered one of the most relevant aspects for the implementation of Model Predictive Control strategies. In this paper a study of the most common cost functions used for the control of a two level voltage source inver... Read More about A Study of Cost Function Selection in Model Predictive Control Applications.

Predictive Current Control Strategy for a Multi-Modular Matrix Converter (2021)
Conference Proceeding
Rojas, D., Rivera, M., & Wheeler, P. (2021). Predictive Current Control Strategy for a Multi-Modular Matrix Converter. . https://doi.org/10.1109/icaacca51523.2021.9465324

Matrix converter technology have so far been mainly limited to low power applications. Multi-level voltage source converters are often used for high power applications. In order to combine the good characteristics of both topologies this paper presen... Read More about Predictive Current Control Strategy for a Multi-Modular Matrix Converter.

Predictive Current Control Applied to a 3L-NPC Inverter (2021)
Conference Proceeding
Rojas, D., Rivera, M., Munoz, J., Baier, C., & Wheeler, P. (2021). Predictive Current Control Applied to a 3L-NPC Inverter. . https://doi.org/10.1109/icaacca51523.2021.9465309

In recent years the application of Model Based Predictive Control (MPC) for power converters has been successfully presented as an alternative to traditional control techniques. MPC has attracted interest due to its fast dynamic response and the abil... Read More about Predictive Current Control Applied to a 3L-NPC Inverter.

Common-Mode Voltage Reduction in a VSI Inverter Applying Sequential Predictive Control (2021)
Conference Proceeding
Murillo-Yarce, D., Rivera, M., Restrepo, C., Munoz, J., Baier, C., Rodriguez, R., …Mirzaeva, G. (2021). Common-Mode Voltage Reduction in a VSI Inverter Applying Sequential Predictive Control. In 2021 IEEE International Conference on Automation/XXIV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/icaacca51523.2021.9465321

In the classical predictive control (CPC) implementation a cost function designed in terms of the control objectives and constants known as weighting factors must be minimized. Weighting factors are usually obtained by trial and error since there is... Read More about Common-Mode Voltage Reduction in a VSI Inverter Applying Sequential Predictive Control.

Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives (2021)
Journal Article
Guo, F., Yang, T., Li, C., Bozhko, S., & Wheeler, P. (2021). Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives. IEEE Transactions on Industrial Electronics, https://doi.org/10.1109/tie.2021.3065605

In this paper, the equivalent relationship between the nearest-three-virtual space vector (NTV2) and carrier-based pulse-width-modulation (CBPWM) scheme is established based on space vector coordinate for a three-level neutral-point-clamped (3L-NPC)... Read More about Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives.

Predictive Control with Current-Based Maximum Power Point-Tracking for On-Grid Photovoltaic Applications (2021)
Journal Article
Muñoz, C., Rivera, M., Villalón, A., Baier, C. R., Muñoz, J., Ramirez, R. O., & Wheeler, P. (2021). Predictive Control with Current-Based Maximum Power Point-Tracking for On-Grid Photovoltaic Applications. Sustainability, 13(6), 3037. https://doi.org/10.3390/su13063037

The high increase of renewable energy sources and the increment of distributed generation in the electrical grid has made them complex and of variable parameters, causing potential stability problems to the PI controllers. In this document, a control... Read More about Predictive Control with Current-Based Maximum Power Point-Tracking for On-Grid Photovoltaic Applications.

Failure modes and reliability oriented system design for aerospace power electronic converters (2020)
Journal Article
Harikumaran, J., Migliazza, G., Buticchi, G., Madonna, V., Giangrande, P., Costabeber, A., …Galea, M. (2021). Failure modes and reliability oriented system design for aerospace power electronic converters. IEEE Open Journal of the Industrial Electronics Society, 2, 53-64. https://doi.org/10.1109/OJIES.2020.3047201

Aircraft electrification has been a major trend in aviation industry for past 20 years. Given the increasing electrical power requirement for future more electric aircraft and hybrid electric aircraft, research efforts has been ongoing in high power... Read More about Failure modes and reliability oriented system design for aerospace power electronic converters.

Quasi Z-Source Hybrid Modular Multilevel Converter Controlled By Reduced Inserted Cells Modulation Technique For Medium Voltage Applications (2020)
Presentation / Conference
Khera, F., Klumpner, C., & Wheeler, P. (2020, December). Quasi Z-Source Hybrid Modular Multilevel Converter Controlled By Reduced Inserted Cells Modulation Technique For Medium Voltage Applications. Paper presented at 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020), Online

This paper presents a novel quasi Z-source Hybrid modular multilevel converter (qZS-HMMC) for medium voltage applications where the “hybrid” concept refers to the implementation of the MMC strings that consist of a mixture of half bridge sub-modules... Read More about Quasi Z-Source Hybrid Modular Multilevel Converter Controlled By Reduced Inserted Cells Modulation Technique For Medium Voltage Applications.

Research and Realization of High-Power Medium-Voltage Active Rectifier Concepts for Future Hybrid-Electric Aircraft Generation (2020)
Journal Article
Trentin, A., Sala, G., Tarisciotti, L., Galassini, A., Degano, M., Connor, P. H., …Gerada, C. (2021). Research and Realization of High-Power Medium-Voltage Active Rectifier Concepts for Future Hybrid-Electric Aircraft Generation. IEEE Transactions on Industrial Electronics, 68(12), 11684-11695. https://doi.org/10.1109/TIE.2020.3040692

In this article, we describe the research and development of a 3 kV active rectifier for a 4 MW aerospace generator drive system demonstrator. The converter is fed by a multiphase high-speed/high-frequency permanent magnet generator. The main aim of... Read More about Research and Realization of High-Power Medium-Voltage Active Rectifier Concepts for Future Hybrid-Electric Aircraft Generation.

A Review of Control Techniques in Photovoltaic Systems (2020)
Journal Article
Murillo-Yarce, D., Alarcón-Alarcón, J., Rivera, M., Restrepo, C., Muñoz, J., Baier, C., & Wheeler, P. (2020). A Review of Control Techniques in Photovoltaic Systems. Sustainability, 12(24), 1-22. https://doi.org/10.3390/su122410598

Complex control structures are required for the operation of photovoltaic electrical energy systems. In this paper, a general review of the controllers used for photovoltaic systems is presented. This review is based on the most recent papers present... Read More about A Review of Control Techniques in Photovoltaic Systems.

Control Techniques for a Single-Phase Matrix Converter (2020)
Journal Article
Rivera, M., Rojas, S., Restrepo, C., Muñoz, J., Baier, C., & Wheeler, P. (2020). Control Techniques for a Single-Phase Matrix Converter. Energies, 13(23), Article 6337. https://doi.org/10.3390/en13236337

The single-phase matrix converter is an AC-AC power topology which consists of six bidirectional switches and it is considered the key unit in cascade or multilevel configurations. In this paper, a comparison between two control techniques is present... Read More about Control Techniques for a Single-Phase Matrix Converter.

Reliability oriented thermal management of aircraft power converters (2020)
Conference Proceeding
Harikumaran, J., Buticchi, G., MIgliazza, G., Wheeler, P., & Galea, M. (2020). Reliability oriented thermal management of aircraft power converters. In 2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia) (1590-1594). https://doi.org/10.1109/IPEMC-ECCEAsia48364.2020.9367638

On board electrical power generation continue to increase as more aircraft systems are being electrified. Increasingly power converters are the interface of power generation and electrical loads in aircrafts. Reliability of aircraft power electronics... Read More about Reliability oriented thermal management of aircraft power converters.

Machine Learning Based Correction Model in PMSM Power Loss Estimation for More-Electric Aircraft Applications (2020)
Conference Proceeding
Gao, Y., Yang, T., Wang, X., Bozhko, S., & Wheeler, P. (2020). Machine Learning Based Correction Model in PMSM Power Loss Estimation for More-Electric Aircraft Applications. In 2020 23rd International Conference on Electrical Machines and Systems (ICEMS) (1940-1944). https://doi.org/10.23919/ICEMS50442.2020.9290844

This study utilizes the machine learning (ML) technique to estimate the power loss of surface-mounted Permanent Magnet Synchronous Motor (PMSM) for More-Electric Aircraft (MEA). Existing approaches do not consider ML methods in power loss calculation... Read More about Machine Learning Based Correction Model in PMSM Power Loss Estimation for More-Electric Aircraft Applications.

Model-Based Predictive Rotor Current Control Strategy for Indirect Power Control of a DFIM Driven by an Indirect Matrix Converter (2020)
Journal Article
Olloqui, A., Elizondo, J. L., Rivera, M., Macias, M., Micheloud-Vernackt, O. M., Pena, R., & Wheeler, P. (2021). Model-Based Predictive Rotor Current Control Strategy for Indirect Power Control of a DFIM Driven by an Indirect Matrix Converter. IEEE Transactions on Energy Conversion, 36(2), 1510-1516. https://doi.org/10.1109/TEC.2020.3038471

This paper presents a new control strategy using model-based predictive current control (MB-PCC) for a doubly fed induction machine (DFIM) driven by an indirect matrix converter (IMC). This strategy proposes the control of rotor currents, whose refer... Read More about Model-Based Predictive Rotor Current Control Strategy for Indirect Power Control of a DFIM Driven by an Indirect Matrix Converter.

The Analysis Performance of a Grid-Connected 8.2 kWp Photovoltaic System in the Patagonia Region (2020)
Journal Article
Vidal, H., Rivera, M., Wheeler, P., & Vicencio, N. (2020). The Analysis Performance of a Grid-Connected 8.2 kWp Photovoltaic System in the Patagonia Region. Sustainability, 12(21), 1-16. https://doi.org/10.3390/su12219227

Solar PV structures for locations at high latitudes in the Northern and Southern Hemispheres are increasingly in the spotlight. The work reported in this paper analyses the behaviour of a grid-connected 8.2 kWp photovoltaic system to either feed on-s... Read More about The Analysis Performance of a Grid-Connected 8.2 kWp Photovoltaic System in the Patagonia Region.

Computation of time probability distributions for the occurrence of uncertain future events (2020)
Journal Article
Acuña-Ureta, D. E., Orchard, M. E., & Wheeler, P. (2021). Computation of time probability distributions for the occurrence of uncertain future events. Mechanical Systems and Signal Processing, 150, Article 107332. https://doi.org/10.1016/j.ymssp.2020.107332

The determination of the time at which an event may take place in the future is a well-studied problem in a number of science and engineering disciplines. Indeed, for more than fifty years, researchers have tried to establish adequate methods to char... Read More about Computation of time probability distributions for the occurrence of uncertain future events.

Multiphase fault tolerant distributed control techniques for integrated drives based on resonant regulators (2020)
Conference Proceeding
Savi, F., Barater, D., Buticchi, G., Wheeler, P., & Gerada, C. (2020). Multiphase fault tolerant distributed control techniques for integrated drives based on resonant regulators. . https://doi.org/10.1109/iecon43393.2020.9254985

One of the challenges brought forward by the gradual electrification undertaken by the aviation sector is the requirement of fault tolerance for machine drive systems to be used for critical on-board tasks such as propulsion or primary flight surface... Read More about Multiphase fault tolerant distributed control techniques for integrated drives based on resonant regulators.

Finite Control Set Model Predictive Control of Isolated DC/DC Modular Multilevel Converter (2020)
Conference Proceeding
Akbar, S. M., Hasan, A., Watson, A., Wheeler, P., & Odhano, S. (2020). Finite Control Set Model Predictive Control of Isolated DC/DC Modular Multilevel Converter. . https://doi.org/10.1109/IECON43393.2020.9254434

© 2020 IEEE. Isolated DC/DC modular multilevel converters (MMC) consisting of two MMCs isolated by a transformer are one of the converter topologies being considered used for DC/DC conversion in HVDC transmission. Two level modulation can be used to... Read More about Finite Control Set Model Predictive Control of Isolated DC/DC Modular Multilevel Converter.

Indirect Matrix Converter-Based Grid-Tied Photovoltaics System for Smart Grids (2020)
Journal Article
Geury, T., Pinto, S. F., Gyselinck, J., & Wheeler, P. (2020). Indirect Matrix Converter-Based Grid-Tied Photovoltaics System for Smart Grids. Energies, 13(20), Article 5405. https://doi.org/10.3390/en13205405

This paper proposes an Indirect Matrix Converter (IMC)-based grid-tied Photovoltaic (PV) system for Smart Grids (SGs). The PV array injects current in the ‘dc link’ of the IMC through an inductive link, and is connected to the SG with shunt and serie... Read More about Indirect Matrix Converter-Based Grid-Tied Photovoltaics System for Smart Grids.

Filter Design and Optimization of Electromechanical Actuation Systems Using Search and Surrogate Algorithms for More-Electric Aircraft Applications (2020)
Journal Article
Gao, Y., Yang, T., Bozhko, S., Wheeler, P., & Dragicevic, T. (2020). Filter Design and Optimization of Electromechanical Actuation Systems Using Search and Surrogate Algorithms for More-Electric Aircraft Applications. IEEE Transactions on Transportation Electrification, 6(4), 1434-1447. https://doi.org/10.1109/tte.2020.3019729

In this paper, a dc filter design and optimization problem is studied for dc electrical power distribution systems onboard more-electric aircraft. Component sizing models are built to serve as the basis of the optimization whose objectives are mass a... Read More about Filter Design and Optimization of Electromechanical Actuation Systems Using Search and Surrogate Algorithms for More-Electric Aircraft Applications.

Optimal filter design for power converters regulated by FCS-MPC in the MEA (2020)
Journal Article
Gao, Y., Yang, T., Dragicevic, T., Bozhko, S., Wheeler, P., & Zheng, C. (2021). Optimal filter design for power converters regulated by FCS-MPC in the MEA. IEEE Transactions on Power Electronics, 36(3), 3258-3268. https://doi.org/10.1109/tpel.2020.3017862

For the DC electrical power distribution system onboard more electric aircraft, the voltage quality of DC bus is of a great concern since there could be significant harmonics distortions when feeding different power electronics loads. This problem ca... Read More about Optimal filter design for power converters regulated by FCS-MPC in the MEA.

An Improved Coupled-Inductor Impedance Source Network With More Freedom in Winding Match (2020)
Journal Article
Ji, Y., Hongchen, L., Geng, L., Li, F., & Wheeler, P. (2020). An Improved Coupled-Inductor Impedance Source Network With More Freedom in Winding Match. IEEE Access, 8, 141472-141480. https://doi.org/10.1109/access.2020.3013103

In this paper, an improved coupled-inductor impedance source network (CL-ISN) with more freedom in winding match is proposed. Through introducing three-winding coupled-inductor cells, the proposed CL-ISN can produce the same voltage gain by using dif... Read More about An Improved Coupled-Inductor Impedance Source Network With More Freedom in Winding Match.

A Low-Complexity Optimal Switching Time-Modulated Model-Predictive Control for PMSM With Three-Level NPC Converter (2020)
Journal Article
Wang, Q., Yu, H., Li, C., Lang, X., Yeoh, S. S., Yang, T., …Wheeler, P. (2020). A Low-Complexity Optimal Switching Time-Modulated Model-Predictive Control for PMSM With Three-Level NPC Converter. IEEE Transactions on Transportation Electrification, 6(3), 1188-1198. https://doi.org/10.1109/TTE.2020.3012352

Conventional finite control set model-predictive control (FCS-MPC) presents a high computational burden, especially in three-level neutral-point-clamped (NPC) converters. This article proposes a low-complexity optimal switching time-modulated model-p... Read More about A Low-Complexity Optimal Switching Time-Modulated Model-Predictive Control for PMSM With Three-Level NPC Converter.

A Reduced Single-Phase Switched-Diode Cascaded Multilevel Inverter (2020)
Journal Article
Hosseinzadeh, M. A., Sarebanzadeh, M., Rivera, M., Babaei, E., & Wheeler, P. (2021). A Reduced Single-Phase Switched-Diode Cascaded Multilevel Inverter. IEEE Journal of Emerging and Selected Topics in Power Electronics, 9(3), 3556-3569. https://doi.org/10.1109/jestpe.2020.3010793

The cascaded multilevel inverters (MLIs) are suitable topologies when a high number of voltage levels are needed. Nonetheless, cascaded topologies possess the main drawback of a high number of power switches and gate drivers that make sophisticated c... Read More about A Reduced Single-Phase Switched-Diode Cascaded Multilevel Inverter.

Novel Permanent Magnet Synchronous Motor with Integrated Filter Inductor Using Motor's Inherent Magnetics (2020)
Journal Article
Khowja, M. R., Gerada, C., Vakil, G., Patel, C., Odhano, S. A., Walker, A., & Wheeler, P. (2021). Novel Permanent Magnet Synchronous Motor with Integrated Filter Inductor Using Motor's Inherent Magnetics. IEEE Transactions on Industrial Electronics, 68(7), 5638-5649. https://doi.org/10.1109/tie.2020.3000110

A close functional and structural integration of passive elements is required to improve the power density of motor drives. Such power-dense motor drives are prerequisites in aerospace and automotive applications. This article presents a permanent ma... Read More about Novel Permanent Magnet Synchronous Motor with Integrated Filter Inductor Using Motor's Inherent Magnetics.

Improved Predictive Control in Multi-Modular Matrix Converter for Six-Phase Generation Systems (2020)
Journal Article
Toledo, S., Maqueda, E., Rivera, M., Gregor, R., Wheeler, P., & Romero, C. (2020). Improved Predictive Control in Multi-Modular Matrix Converter for Six-Phase Generation Systems. Energies, 13(10), Article 2660. https://doi.org/10.3390/en13102660

Distributed generation systems are emerging as a good solution as part of the response to the world’s growing energy demand. In this context multi-phase wind generation systems are a feasible option. These systems consist of renewable AC sources whic... Read More about Improved Predictive Control in Multi-Modular Matrix Converter for Six-Phase Generation Systems.

A Cascade PI-SMC Method for Brushless Doubly-Fed Induction Machine with Matrix Converter (2020)
Conference Proceeding
Zhao, X., Wang, H., Dan, H., Di, Z., Sun, Y., Su, M., …Wheeler, P. (2020). A Cascade PI-SMC Method for Brushless Doubly-Fed Induction Machine with Matrix Converter. In Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition 2020 (2526-2528). https://doi.org/10.1109/APEC39645.2020.9124209

This paper proposes a cascade proportional-integral continuous second-order sliding mode control method for brushless doubly-fed induction machine. This method consists of the speed out-loop proportional-integral controller and the current inner-loop... Read More about A Cascade PI-SMC Method for Brushless Doubly-Fed Induction Machine with Matrix Converter.

Control Strategy and Communication Architecture for Power Sharing in Microgrids (2020)
Conference Proceeding
Perez-Guzman, R. E., Salgueiro, Y., Rivera, M., & Wheeler, P. W. (2020). Control Strategy and Communication Architecture for Power Sharing in Microgrids. In Proceedings: 2020 IEEE International Conferenceon Industrial Technology (1167-1172). https://doi.org/10.1109/ICIT45562.2020.9067288

The increasing needs of control, security and generation capacity of microgrids, has raised the complexity of the network and have allowed the evolution of architecture as a cluster. This increase in complexity demands control strategies in real-time... Read More about Control Strategy and Communication Architecture for Power Sharing in Microgrids.

Recent Advances of Predictive Control in Power Converters (2020)
Conference Proceeding
Perez-Guzman, R. E., Rivera, M., & Wheeler, P. W. (2020). Recent Advances of Predictive Control in Power Converters. In Proceedings: 2020 IEEE International Conferenceon Industrial Technology (1100-1105). https://doi.org/10.1109/icit45562.2020.9067169

Model-based predictive control (MPC) is an attractive solution for controlling power converters and drives. This research shows the most recent alternatives of predictive control techniques proposed in the literature to solve control problems in powe... Read More about Recent Advances of Predictive Control in Power Converters.

Architectures for Microgrids Interconnection (2020)
Conference Proceeding
Diaz, F., Rivera, M., Chavez, H., & Wheeler, P. (2020). Architectures for Microgrids Interconnection. In Proceedings: 2020 IEEE International Conferenceon Industrial Technology (1121-1126). https://doi.org/10.1109/ICIT45562.2020.9067130

Progress requires greater global energy interconnection. This paper presents an overview of the topologies and control techniques applied to microgrids, by means of an updated bibliographic research and the most relevant articles on the use of power... Read More about Architectures for Microgrids Interconnection.

Present and Future of the Chilean Electrical Grid (2020)
Conference Proceeding
Diaz, F., Rivera, M., Chevez, H., & Wheeler, P. (2020). Present and Future of the Chilean Electrical Grid. In Proceedings: 2020 IEEE International Conferenceon Industrial Technology (630-635). https://doi.org/10.1109/ICIT45562.2020.9067249

The technological development of Chile has lead to a major energy demand. This paper presents a description of the current reality of the Chilean electricity sector and its future. The vision and its advancements in Chile are matter of observation to... Read More about Present and Future of the Chilean Electrical Grid.

Model Predictive Control Applied to the Three-Phase Neutral Point Clamped Inverter (2020)
Conference Proceeding
Perez-Guzmen, R. E., Rivera, M., Riveros, J. A., Herrera, F., & Wheeler, P. W. (2020). Model Predictive Control Applied to the Three-Phase Neutral Point Clamped Inverter. In Proceedings: 2020 IEEE International Conferenceon Industrial Technology (493-498). https://doi.org/10.1109/ICIT45562.2020.9067298

Model-based predictive control is one of the most used strategies for power converters. Its popularity is due to the simple inclusion of several regulation objectives in the control law, which is a desired feature for multilevel voltage source invert... Read More about Model Predictive Control Applied to the Three-Phase Neutral Point Clamped Inverter.

Model-based Predictive Control in Three-Phase Inverters (2020)
Conference Proceeding
Perez-Guzman, R. E., Rivera, M., Vicencio, N., & Wheeler, P. W. (2020). Model-based Predictive Control in Three-Phase Inverters. In Proceedings: 2020 IEEE International Conferenceon Industrial Technology (499-504). https://doi.org/10.1109/ICIT45562.2020.9067217

In the last year model predictive control strategy has emerged as a good alternative for the control of power converters. This research proposes a new model-based predictive control strategy for a voltage source inverter, operating at variable and fi... Read More about Model-based Predictive Control in Three-Phase Inverters.

High-Speed Electric Drives: A Step Towards System Design (2020)
Journal Article
Savi, F., Barater, D., Nardo, M. D., Degano, M., Gerada, C., Wheeler, P., & Buticchi, G. (2020). High-Speed Electric Drives: A Step Towards System Design. IEEE Open Journal of the Industrial Electronics Society, 1, 10-21. https://doi.org/10.1109/ojies.2020.2973883

Electric drives applications have been worldwide adopted for the transportation electrification. An electric drive system is constituted by two main components: the power electronics converter and the electrical machine. Traditionally the design work... Read More about High-Speed Electric Drives: A Step Towards System Design.

Predictive Control Based DC Microgrid Stabilization With the Dual Active Bridge Converter (2020)
Journal Article
Chen, L., Gao, F., Shen, K., Wang, Z., Tarisciotti, L., Wheeler, P., & Dragicevic, T. (2020). Predictive Control Based DC Microgrid Stabilization With the Dual Active Bridge Converter. IEEE Transactions on Industrial Electronics, 67(10), 8944-8956. https://doi.org/10.1109/tie.2020.2965460

Dual-active-bridge (DAB) enabled dc microgrids stabilization is investigated in this article. DAB has two control objectives: load current regulation and the dc-bus voltage stabilization. In multiobjective control applications, the conventional propo... Read More about Predictive Control Based DC Microgrid Stabilization With the Dual Active Bridge Converter.

Wind Energy Development and Technology in the World: A Brief Overview (2019)
Conference Proceeding
Elizondo, J. L., Rivera, M., & Wheeler, P. (2019). Wind Energy Development and Technology in the World: A Brief Overview. In IEEE Chilean Conference on Electrical, Electronics Engineering, Information and Communication Technologies (1-5). https://doi.org/10.1109/CHILECON47746.2019.8987714

A brief overview of wind energy 2018 market status with short- and long-term projections will be presented, as well as the wind turbine technologies and market share. Furthermore, clean energy goals from the governments of Denmark, Mexico and Chile w... Read More about Wind Energy Development and Technology in the World: A Brief Overview.

Present and Future of the Chilean Electrical Grid (2019)
Conference Proceeding
Diaz, F., Rivera, M., Chavez, H., & Wheeler, P. (2019). Present and Future of the Chilean Electrical Grid. In IEEE Chilean Conference on Electrical, Electronics Engineering, Information and Communication Technologies (1-6). https://doi.org/10.1109/CHILECON47746.2019.8987663

This paper presents a description of the current reality of the Chilean electricity sector and its future. The vision and its advancements in Chile are matter of observation to develop a clearer picture for maintaining and increasing the penetration... Read More about Present and Future of the Chilean Electrical Grid.

Model Predictive Control in Three-Phase Inverters (2019)
Conference Proceeding
Perez-Guzman, R. E., Rivera, M., Vicencio, N., & Wheeler, P. W. (2019). Model Predictive Control in Three-Phase Inverters. In IEEE Chilean Conference on Electrical, Electronics Engineering, Information and Communication Technologies (1-6). https://doi.org/10.1109/CHILECON47746.2019.8987470

Model-based predictive control is a recent alternative to improve the quality of the output in power converters. In this research, predictive current control is implemented in a voltage source inverter, operating at a variable switching frequency and... Read More about Model Predictive Control in Three-Phase Inverters.

Weighting Factor Design in Model Predictive Control for Power Converters (2019)
Conference Proceeding
Perez-Guzman, R. E., Rivera, M., & Wheeler, P. W. (2019). Weighting Factor Design in Model Predictive Control for Power Converters. In IEEE Chilean Conference on Electrical, Electronics Engineering, Information and Communication Technologies. https://doi.org/10.1109/CHILECON47746.2019.8988109

Model-based predictive control is an important multi-objective control strategy in power converters, but it must be properly designed. This research shows different alternatives to improve the cost function in model-based predictive control. For this... Read More about Weighting Factor Design in Model Predictive Control for Power Converters.

Architectures for Microgrids Interconnection (2019)
Conference Proceeding
Diaz, F., Rivera, M., & Wheeler, P. (2019). Architectures for Microgrids Interconnection. In IEEE Chilean Conference on Electrical, Electronics Engineering, Information and Communication Technologies (1-6). https://doi.org/10.1109/CHILECON47746.2019.8988091

Progress requires greater global energy interconnection. This paper presents an overview of the topologies and control techniques applied to microgrids, by means of an updated bibliographic research and the most relevant articles on the use of power... Read More about Architectures for Microgrids Interconnection.

Implementation of Predictive Control in a Three-Phase Neutral Point Clamped Inverter (2019)
Conference Proceeding
Perez-Guzman, R. E., Herrera, F., Rivera, M., Riveros, J., & Wheeler, P. W. (2019). Implementation of Predictive Control in a Three-Phase Neutral Point Clamped Inverter. In IEEE Chilean Conference on Electrical, Electronics Engineering, Information and Communication Technologies (1-6). https://doi.org/10.1109/CHILECON47746.2019.8987536

In recent years, multilevel converters have established themselves as an efficient technology for the conversion of medium and high power. This research presents a NPC multilevel inverter topology, using two new control strategies: classical predicti... Read More about Implementation of Predictive Control in a Three-Phase Neutral Point Clamped Inverter.

The Voltage Source Inverter (2019)
Conference Proceeding
Gutierrez, R., Rivera, M., & Wheeler, P. (2019). The Voltage Source Inverter. In IEEE Chilean Conference on Electrical, Electronics Engineering, Information and Communication Technologies (1-4). https://doi.org/10.1109/CHILECON47746.2019.8988056

This paper presents the Voltage Source Inverter. On this paper it will be discussed its topology, mathematical model, switching states and the characteristic curves of the inverter. Moreover, the authors will analyze the concept of “dead time”, aimin... Read More about The Voltage Source Inverter.

Experimental Validation of a quasi Z-Source Modular Multilevel Converter with DC Fault Blocking Capability (2019)
Journal Article
Khera, F., Klumpner, C., & Wheeler, P. (2021). Experimental Validation of a quasi Z-Source Modular Multilevel Converter with DC Fault Blocking Capability. IEEE Journal of Emerging and Selected Topics in Power Electronics, 9(2), 1951-1965. https://doi.org/10.1109/jestpe.2019.2955859

This paper considers the design methodology and the modulation of the quasi Z-source modular multilevel converter (qZS-MMC) with half bridge sub-modules and evaluates its performance in voltage boosting mode for medium voltage applications. The qZS-M... Read More about Experimental Validation of a quasi Z-Source Modular Multilevel Converter with DC Fault Blocking Capability.

Control Techniques for a Single-Phase Matrix Converter (2019)
Conference Proceeding
Rojas, S., Rivera, M., & Wheeler, P. (2019). Control Techniques for a Single-Phase Matrix Converter. In IEEE Chilean Conference on Electrical, Electronics Engineering, Information and Communication Technologies. https://doi.org/10.1109/CHILECON47746.2019.8988074

The direct single-phase matrix converter (SPMC) is a topology composed only of switches. This feature makes it extremely important to have complete control of the six bidirectional switches that make up it. This is why this article presents a compari... Read More about Control Techniques for a Single-Phase Matrix Converter.

Transfer Function Based Input Impedance Determination of Triple Active Bridge Converter (2019)
Conference Proceeding
Yang, J., Buticchi, G., Gu, C., Günter, S., Yan, H., & Wheeler, P. (2019). Transfer Function Based Input Impedance Determination of Triple Active Bridge Converter. In Proceedings: IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (4917-4923). https://doi.org/10.1109/IECON.2019.8926943

The concept of multiport dc-dc converter was proposed to reduce the conversion stages of dc microgrid on more electric aircraft (MEA). The structure of multiport dc-dc converter is basically developed from the dual active bridge (DAB) converter becau... Read More about Transfer Function Based Input Impedance Determination of Triple Active Bridge Converter.

Comparative Evaluation of High Power Solid State Power Controller (SSPC) With and Without Auxiliary Over-current Bypass Circuit (2019)
Conference Proceeding
Adhikari, J., Yang, T., Bozhko, S., & Wheeler, P. (2019). Comparative Evaluation of High Power Solid State Power Controller (SSPC) With and Without Auxiliary Over-current Bypass Circuit. In Proceedings: IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (2628-2633). https://doi.org/10.1109/IECON.2019.8926717

This paper explores the possibility of a semiconductor-based over-current bypass circuit for high current solid-state power controllers (SSPCs). Therefore, two different topologies of the bidirectional DC SSPCs: a. without over-current bypass circuit... Read More about Comparative Evaluation of High Power Solid State Power Controller (SSPC) With and Without Auxiliary Over-current Bypass Circuit.

An Enhanced Unified Space Vector Modulation Technique for Dual Converters with Isolated Voltage Supplies (2019)
Conference Proceeding
Huang, Z., Yang, T., Giangrande, P., Wheeler, P., & Galea, M. (2019). An Enhanced Unified Space Vector Modulation Technique for Dual Converters with Isolated Voltage Supplies. In Proceedings: IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (3511-3516). https://doi.org/10.1109/IECON.2019.8927538

This paper presents an enhanced modulation technique for dual converters with isolated supplies. This unified modulation technique is applicable for any positive voltage ratio between the isolated supplies. The modulation technique enhances the quali... Read More about An Enhanced Unified Space Vector Modulation Technique for Dual Converters with Isolated Voltage Supplies.

An Active Modulation Scheme for Avoiding Overcharging in the Dual Converter with Isolated Asymmetric Supplies (2019)
Conference Proceeding
Huang, Z., Yang, T., Giangrande, P., Wheeler, P., & Galea, M. (2019). An Active Modulation Scheme for Avoiding Overcharging in the Dual Converter with Isolated Asymmetric Supplies. In 2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe)https://doi.org/10.23919/EPE.2019.8915181

This paper presents an enhanced modulation technique for dual converters with isolated supplies. This unified modulation technique is applicable for any positive voltage ratio between the isolated supplies. The modulation technique enhances the quali... Read More about An Active Modulation Scheme for Avoiding Overcharging in the Dual Converter with Isolated Asymmetric Supplies.

Evaluation of Posicast Compensator Robustness for the Reduction of Torsional Vibrations (2019)
Conference Proceeding
Ahumada, C., & Wheeler, P. (2019). Evaluation of Posicast Compensator Robustness for the Reduction of Torsional Vibrations. In 2019 IEEE Energy Conversion Congress and Exposition (ECCE) (5870-5877). https://doi.org/10.1109/ECCE.2019.8912476

The drivetrain of most aircraft engines, which links the electrical generators to the engine, is relatively flexible and has vibration modes with values below 100 Hz. Consequently, torsional vibrations can be excited by the sudden connection or disco... Read More about Evaluation of Posicast Compensator Robustness for the Reduction of Torsional Vibrations.

Grid Impedance Identification and Structured-h2 Optimization Based Controller Design of Active Front-end in Embedded AC Networks (2019)
Conference Proceeding
Li, K., Dewar, D., Formentini, A., Zanchetta, P., & Wheeler, P. (2019). Grid Impedance Identification and Structured-h2 Optimization Based Controller Design of Active Front-end in Embedded AC Networks. In 2019 IEEE Energy Conversion Congress and Exposition (ECCE) (4840-4845). https://doi.org/10.1109/ECCE.2019.8912832

The increasing use of power electronics systems and distributed generation in modern power networks has raised important issues regarding the effects that inter-connected converters systems can have on the performance and stability of the whole grid.... Read More about Grid Impedance Identification and Structured-h2 Optimization Based Controller Design of Active Front-end in Embedded AC Networks.

Geometrical Visualization of Indirect Space Vector Modulation for Matrix Converters Operating with Abnormal Supplies (2019)
Journal Article
Guan, Q., Guan, Q., Wheeler, P., Simon, O., & Clare, J. (2019). Geometrical Visualization of Indirect Space Vector Modulation for Matrix Converters Operating with Abnormal Supplies. IET Power Electronics, 12(15), 4023-4033. https://doi.org/10.1049/iet-pel.2019.0406

Matrix Converters can be sensitive to abnormal supply conditions due to the absence of energy storage elements. This sensitivity can get worse when the Matrix Converters are modulated by a traditional Indirect Space Vector Modulation that assumes the... Read More about Geometrical Visualization of Indirect Space Vector Modulation for Matrix Converters Operating with Abnormal Supplies.

Simulations and Measurement Analysis of SiC MOSFET and IGBT Gate Drive Performance in Power Modules for More Electric Aircraft Motor Drive Applications (2019)
Conference Proceeding
O'Donnell, S., Chan, A., Wheeler, P., & Castellazzi, A. (2019). Simulations and Measurement Analysis of SiC MOSFET and IGBT Gate Drive Performance in Power Modules for More Electric Aircraft Motor Drive Applications. https://doi.org/10.23919/EPE.2019.8914898

With the increase in power electronic solutions for More Electric Aircraft, silicon-carbide MOSFETs are being considered as alternatives to silicon IGBTs in areas such as motor drive systems for primary flight and landing gear actuators. In these hig... Read More about Simulations and Measurement Analysis of SiC MOSFET and IGBT Gate Drive Performance in Power Modules for More Electric Aircraft Motor Drive Applications.

System-Level Motor Drive Modelling for Optimization-based Designs (2019)
Conference Proceeding
Cheong, B., Giangrande, P., Zhang, X., Galea, M., Zanchetta, P., & Wheeler, P. (2019). System-Level Motor Drive Modelling for Optimization-based Designs. https://doi.org/10.23919/EPE.2019.8914883

To achieve optimal system weight and efficiency, the design of main components in an AC motor drive (electric machine and power converter) have to be optimized together. This is challenging considering the multiphysics and complex nature of its opera... Read More about System-Level Motor Drive Modelling for Optimization-based Designs.

A Power Generation Center with Back-to-back Converter Considering Post-fault Operation for MEA Application (2019)
Conference Proceeding
Lang, X., Yang, T., Enalou, H. B., Wheeler, P., & Bozhko, S. (2019). A Power Generation Center with Back-to-back Converter Considering Post-fault Operation for MEA Application. In Proceedings of the 22nd International Conference on Electrical Machines and Systems (ICEMS) (1-6). https://doi.org/10.1109/ICEMS.2019.8922219

This paper proposes a new power generation centre (PGC) for the engine of more electric aircraft (MEA) application. In this PGC, a starter/generator is connected to the high-pressure (HP) spool to start the engine in the start process and generate el... Read More about A Power Generation Center with Back-to-back Converter Considering Post-fault Operation for MEA Application.

Model Predictive Control for Dual Active Bridge in Naval DC Microgrids Supplying Pulsed Power Loads Featuring Fast Transition and Online Transformer Current Minimization (2019)
Journal Article
Xiao, Q., Chen, L., Jia, H., Wheeler, P. W., & Dragicevic, T. (2020). Model Predictive Control for Dual Active Bridge in Naval DC Microgrids Supplying Pulsed Power Loads Featuring Fast Transition and Online Transformer Current Minimization. IEEE Transactions on Industrial Electronics, 67(6), 5197-5203. https://doi.org/10.1109/TIE.2019.2934070

Pulsed power loads (PPLs) are commonly incorporated in medium voltage dc microgrids on naval vessels. To mitigate their detrimental effects, dedicated energy storage systems can be installed and their converters need to have excellent disturbance rej... Read More about Model Predictive Control for Dual Active Bridge in Naval DC Microgrids Supplying Pulsed Power Loads Featuring Fast Transition and Online Transformer Current Minimization.

Torque Ripple Reduction in Sectored Multi Three-Phase Machines Based on PWM Carrier Phase Shift (2019)
Journal Article
Wang, X., Sala, G., Zhang, H., Gu, C., Buticchi, G., Formentini, A., …Wheeler, P. (2020). Torque Ripple Reduction in Sectored Multi Three-Phase Machines Based on PWM Carrier Phase Shift. IEEE Transactions on Industrial Electronics, 67(6), 4315-4325. https://doi.org/10.1109/TIE.2019.2931239

The interest in multiphase machines for high power and reliable drives has been growing, and many control algorithms have been proposed to improve their torque performance. This work presents a new approach to the modeling of a multi three-phase driv... Read More about Torque Ripple Reduction in Sectored Multi Three-Phase Machines Based on PWM Carrier Phase Shift.

A SiC based 2-Level Power Converter for Shape-and-Space-Restricted Aerospace Applications (2019)
Conference Proceeding
Nasir, U., Chowdhury, S., La Rocca, A., Chen, Y., Yang, T., Wheeler, P., …Bozhko, S. (2019). A SiC based 2-Level Power Converter for Shape-and-Space-Restricted Aerospace Applications. In Proceedings on the 2019 IEEE 13th International Conference on Power Electronics and Drive Systems (PEDS) (1-7). https://doi.org/10.1109/PEDS44367.2019.8998907

Recent advancements in the power electronic device technologies, such as wide-band-gap devices including Silicon-Carbide (SiC) and Galium-Nitride (GaN), are acting as an enabling factor in development of compact power electronic systems. More specifi... Read More about A SiC based 2-Level Power Converter for Shape-and-Space-Restricted Aerospace Applications.

An Improved Three-Phase Buck Rectifier Topology with Reduced Voltage Stress on Transistors (2019)
Journal Article
Lei, J., Feng, S., Zhao, J., Chen, W., Wheeler, P., & Shi, M. (2020). An Improved Three-Phase Buck Rectifier Topology with Reduced Voltage Stress on Transistors. IEEE Transactions on Power Electronics, 35(3), 2458-2466. https://doi.org/10.1109/tpel.2019.2931803

The three-phase buck rectifier (3ph-BR) is suitable for applications where a voltage step down function is required. In this paper, an improved 3ph-BR topology is proposed to reduce the voltage stress on the transistors. The freewheeling diode in the... Read More about An Improved Three-Phase Buck Rectifier Topology with Reduced Voltage Stress on Transistors.

A Unidirectional Insulated AC-DC Converter Based on the Hexverter and Multipulse-Rectifier (2019)
Journal Article
Lambert, G., Costabeber, A., Wheeler, P., & De Novaes, Y. R. (2020). A Unidirectional Insulated AC-DC Converter Based on the Hexverter and Multipulse-Rectifier. IEEE Transactions on Power Electronics, 35(3), 2363-2371. https://doi.org/10.1109/tpel.2019.2928555

This paper proposes an insulated two-stage ac-dc converter to be applied in unidirectional power flow systems. The two-stage structure is the combination of a Hexverter and a series-type 12 pulse rectifier. The key features of the proposed structure... Read More about A Unidirectional Insulated AC-DC Converter Based on the Hexverter and Multipulse-Rectifier.

A review of model predictive control strategies for matrix converters (2019)
Journal Article
Khosravi, M., Amirbande, M., Arab Khaburi, D., Rivera, M., Riveros, J., Rodriguez, J., …Wheeler, P. (2019). A review of model predictive control strategies for matrix converters. IET Power Electronics, 12(12), 3021-3032. https://doi.org/10.1049/iet-pel.2019.0212

Matrix converters are a well-known class of direct AC-AC power converter topologies that can be used in applications in which compact volume and low weight are necessary. For good performance, special attention should be paid to the control scheme us... Read More about A review of model predictive control strategies for matrix converters.

Steady-state error elimination and simplified implementation of direct source current control for matrix converter with model predictive control (2019)
Journal Article
Lei, J., Feng, S., Wheeler, P., Zhou, B., & Zhao, J. (2019). Steady-state error elimination and simplified implementation of direct source current control for matrix converter with model predictive control. IEEE Transactions on Power Electronics, 35(3), 3183-3194. https://doi.org/10.1109/tpel.2019.2928874

A matrix converter (MC) with model predictive control (MPC) based on the source reactive power control usually fails to show sinusoidal source currents. The analysis presented in this paper shows that this common combination of converter and control... Read More about Steady-state error elimination and simplified implementation of direct source current control for matrix converter with model predictive control.

Modelling of reduced electromechanical interaction system for aircraft applications (2019)
Journal Article
Ahumada, C., & Wheeler, P. (2019). Modelling of reduced electromechanical interaction system for aircraft applications. IET Electric Power Applications, 13(7), 1061-1070. https://doi.org/10.1049/iet-epa.2019.0122

© 2019 Institution of Engineering and Technology. All rights reserved. Rotational systems such as aircraft engine drivetrains are subject to vibrations that can damage shafts. Torsional vibrations in drivetrains can be excited by the connection of lo... Read More about Modelling of reduced electromechanical interaction system for aircraft applications.

Advanced control methods for power converters in distributed generation systems and microgrids (2019)
Journal Article
Dragičević, T., Vazquez, S., & Wheeler, P. (2019). Advanced control methods for power converters in distributed generation systems and microgrids. IEEE Transactions on Industrial Electronics, 66(11), 8866 - 8869. https://doi.org/10.1109/TIE.2019.2914846

The twenty-two papers in this special section focus on flexible control of power converters which serve as interfaces between the distributed generation (DG) units and the legacy alternating current (ac) grid or the ac or direct current (dc) microgri... Read More about Advanced control methods for power converters in distributed generation systems and microgrids.

Wavelet-based ESS sizing strategy to enable power peak-shaving in PV systems (2019)
Conference Proceeding
Müller, N., Kouro, S., Zanchetta, P., Wheeler, P., & Marzo, A. (2019). Wavelet-based ESS sizing strategy to enable power peak-shaving in PV systems. In Proceedings: 2019 IEEE 28th International Symposium on Industrial Electronics (2458-2463). https://doi.org/10.1109/ISIE.2019.8781363

This work presents an Energy Storage Systems (ESS) sizing strategy, that allows grid connected PV systems to provide peak-shaved maximum-power-Ramp-Rate (RR) compliant power while storing exceeding power. For this purpose power generation and power l... Read More about Wavelet-based ESS sizing strategy to enable power peak-shaving in PV systems.

Vector control strategies to enable equal frequency operation of the modular multilevel matrix converter (2019)
Journal Article
Diaz, M., Espinosa, M., Rojas, F., Wheeler, P., & Cardenas, R. (2019). Vector control strategies to enable equal frequency operation of the modular multilevel matrix converter. Journal of Engineering, 2019(17), 4214-4219. https://doi.org/10.1049/joe.2018.8028

The modular multilevel matrix converter (M3C) is a power converter topology for ac to ac conversion that is suitable for high-power applications. The control of this converter is complex, particularly if ac system frequencies are similar. In these ca... Read More about Vector control strategies to enable equal frequency operation of the modular multilevel matrix converter.

A New Basic Unit for Symmetric and Asymmetric Cascaded Multilevel Inverters with Reduced Power Electronic Devices (2019)
Conference Proceeding
Sarbanzadeh, M., Hosseinzadeh, M. A., Babaei, E., Rivera, M., & Wheeler, P. (2019). A New Basic Unit for Symmetric and Asymmetric Cascaded Multilevel Inverters with Reduced Power Electronic Devices. In Proceedings: 2019 IEEE 28th International Symposium on Industrial Electronics. https://doi.org/10.1109/isie.2019.8781476

© 2019 IEEE. In this paper, a new basic unit for the cascaded multilevel inverter is proposed. By series-connected numbers of the proposed basic unit, a new cascaded multilevel inverter is also proposed. In order to generate all (even and odd) voltag... Read More about A New Basic Unit for Symmetric and Asymmetric Cascaded Multilevel Inverters with Reduced Power Electronic Devices.

Information Technologies for Distributed Machine Drives: An Overview (2019)
Conference Proceeding
Savi, F., Buticchi, G., Gerada, C., Wheeler, P., & Barater, D. (2019). Information Technologies for Distributed Machine Drives: An Overview. In 2019 IEEE International Electric Machines & Drives Conference (IEMDC) (1805-1809). https://doi.org/10.1109/IEMDC.2019.8785232

The exponential growth experienced by the semiconductor manufacturing field has led to a large proliferation of devices with large amounts computational power, enabling countless technologies and revolutionizing many fields. Control systems and machi... Read More about Information Technologies for Distributed Machine Drives: An Overview.

Voltage Utilization Enhancement of Dual Inverters by Model Predictive Control for Motor Drive Applications (2019)
Conference Proceeding
Huang, Z., Yang, T., Giangrande, P., Galea, M., Garcia, C., Rivera, M., …Rodriguez, J. (2019). Voltage Utilization Enhancement of Dual Inverters by Model Predictive Control for Motor Drive Applications. In Proceedings - PRECEDE 2019: 2019 IEEE International Symposium on Predictive Control of Electrical Drives and Power Electronics (1-3). https://doi.org/10.1109/PRECEDE.2019.8753341

This paper proposes a model predictive control (MPC) method to improve the voltage utilization of dual inverters compared to utilizing previously addressed techniques. The enhancement can reach up to 10% and this benefit has been through simulations... Read More about Voltage Utilization Enhancement of Dual Inverters by Model Predictive Control for Motor Drive Applications.

Model predictive control for isolated DC/DC converters with fast dynamic stabilization in DC microgrids (2019)
Conference Proceeding
Chen, L., Zanchetta, P., Tarisciotti, L., Wheeler, P., Costabebber, A., & Dragi?evi?, T. (2019). Model predictive control for isolated DC/DC converters with fast dynamic stabilization in DC microgrids

The proposed control for DC/DC converters with high frequency isolation, on one hand, provides fast stabilization to the DC microgrids without introducing additional passive components. On the other hand, it can improve load transition performance. A... Read More about Model predictive control for isolated DC/DC converters with fast dynamic stabilization in DC microgrids.

Analytical modelling and power density optimisation of a single phase dual active bridge for aircraft application (2019)
Journal Article
Fritz, N., Rashed, M., Bozhko, S., Cuomo, F., & Wheeler, P. (2019). Analytical modelling and power density optimisation of a single phase dual active bridge for aircraft application. Journal of Engineering, 2019(17), 3671-3676. https://doi.org/10.1049/joe.2018.8068

A design procedure for the dual active bridge (DAB) converter is presented, which aims to optimised power density and computational effort. When designing a DAB, the selection of circuit design parameters such as switching frequency, leakage inductan... Read More about Analytical modelling and power density optimisation of a single phase dual active bridge for aircraft application.

Model Predictive Control for isolated DC/DC converters with fast dynamic stabilization in DC microgrids (2019)
Presentation / Conference
Chen, L., Zanchetta, P., Tarisciotti, L., Wheeler, P., Costabebber, A., & Dragi?evi?, T. (2019, May). Model Predictive Control for isolated DC/DC converters with fast dynamic stabilization in DC microgrids. Paper presented at 3rd IEEEE ICDCM (International Conference on DC Microgrids)

The proposed control for DC/DC converters with high frequency isolation, on one hand, provides fast stabilization to the DC microgrids without introducing additional passive components. On the other hand, it can improve load transition performance. A... Read More about Model Predictive Control for isolated DC/DC converters with fast dynamic stabilization in DC microgrids.

Flux control modulation for the dual active bridge DC/DC converter (2019)
Journal Article
Fritz, N., Rashed, M., Bozhko, S., Cuomo, F., & Wheeler, P. (2019). Flux control modulation for the dual active bridge DC/DC converter. Journal of Engineering, 2019(17), 4353-4358. https://doi.org/10.1049/joe.2018.8014

This paper introduces a modulation technique for the single-phase dual active bridge (DAB) in which the switching frequency and transformer flux linkage are modulated to achieve improved power transfer characteristics and reduced converter losses. By... Read More about Flux control modulation for the dual active bridge DC/DC converter.

Energy Storage Sizing Strategy for Grid-Tied PV Plants under Power Clipping Limitations (2019)
Journal Article
Müller, N., Kouro, S., Zanchetta, P., Wheeler, P., Bittner, G., & Girardi, F. (2019). Energy Storage Sizing Strategy for Grid-Tied PV Plants under Power Clipping Limitations. Energies, 12(9), Article 1812. https://doi.org/10.3390/en12091812

This paper presents an analyses of an Energy Storage System (ESS) for grid-tied photovoltaic (PV) systems, in order to harness the energy usually lost due to PV array oversizing. A real case of annual PV power generation analysis is presented to illu... Read More about Energy Storage Sizing Strategy for Grid-Tied PV Plants under Power Clipping Limitations.

Impedance-based Sensitivity Analysis of Dual Active Bridge DC-DC Converter (2019)
Conference Proceeding
Yang, J., Buticchi, G., Yan, H., Gu, C., Zhang, H., & Wheeler, P. (2019). Impedance-based Sensitivity Analysis of Dual Active Bridge DC-DC Converter. In Proceedings on the 2019 IEEE 13th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG) (1-5). https://doi.org/10.1109/CPE.2019.8862418

The sensitivity analysis of a circuit reflects the robustness of this circuit to the relevant parameters. This paper investigates the sensitivity of input impedance of DAB converter, which is widely adopted in solid-state transformer (SST) and dc mic... Read More about Impedance-based Sensitivity Analysis of Dual Active Bridge DC-DC Converter.

A three-phase modular isolated matrix converter (2019)
Journal Article
Nasir, U., Costabeber, A., Rivera, M., Wheeler, P., & Clare, J. (2019). A three-phase modular isolated matrix converter. IEEE Transactions on Power Electronics, 34(12), 11760-11773. https://doi.org/10.1109/TPEL.2019.2909681

This paper discusses the analysis, design and experimental validation of a Modular Isolated Matrix Converter (MIMC), including modulation, commutation and control. The MIMC topology is a single-stage high power density AC/AC converter which is attrac... Read More about A three-phase modular isolated matrix converter.

Novel Motor-Shaped Rotational Inductor for Motor Drive Applications (2019)
Journal Article
Odhano, S., Khowja, M. R., Gerada, C., Vakil, G., Abebe, R., Odhano, S. A., …Wheeler, P. (2020). Novel Motor-Shaped Rotational Inductor for Motor Drive Applications. IEEE Transactions on Industrial Electronics, 67(3), 1844-1854. https://doi.org/10.1109/tie.2019.2907512

This paper presents a validation of the novel motor-shaped rotational inductor. To validate the concept, 12 slots 2 poles rotational inductor is tested at different supply frequencies and rotor speeds. Experimental results have shown that the iron lo... Read More about Novel Motor-Shaped Rotational Inductor for Motor Drive Applications.

Fixed switching frequency predictive control of an asymmetric source dual inverter system with a floating bridge for multilevel operation (2019)
Journal Article
Chowdhury, S., Wheeler, P., Huang, Z., Rivera, M., & Gerada, C. (2019). Fixed switching frequency predictive control of an asymmetric source dual inverter system with a floating bridge for multilevel operation. IET Power Electronics, 12(3), 450-457. https://doi.org/10.1049/iet-pel.2018.5395

This study proposes a modified modulated model predictive control (MMPC) scheme to control an open-end winding induction motor drive using an asymmetric source dual inverter with one floating bridge. The control algorithm uses a modulation algorithm... Read More about Fixed switching frequency predictive control of an asymmetric source dual inverter system with a floating bridge for multilevel operation.

Model Predictive Control for the New Reduced Multi-level Grid-Connected Converter (2019)
Conference Proceeding
Sarbanzadeh, M., Hosseinzadeh, M. A., Saleh, A., Rivera, M., Munoz, J., & Wheeler, P. (2019). Model Predictive Control for the New Reduced Multi-level Grid-Connected Converter. In Proceedings of the IEEE 2019 International Conference on Industrial Technology (ICIT) (1790-1795). https://doi.org/10.1109/ICIT.2019.8754994

Reduced multi-level converters have been presented to enhance the efficiency by reducing the number of components which lead to reducing the size, volume and cost of converters. Predictive control is an advanced control strategy that is implemented f... Read More about Model Predictive Control for the New Reduced Multi-level Grid-Connected Converter.

New modulation scheme for bidirectional qZS modular multi-level converters (2019)
Journal Article
Khera, F. A., Klumpner, C., & Wheeler, P. W. (2019). New modulation scheme for bidirectional qZS modular multi-level converters. Journal of Engineering, 2019(17), 3836-3841. https://doi.org/10.1049/joe.2018.8020

This study proposes a dedicated modulation scheme for a bidirectional quasi-Z-source (qZS) modular multi-level converter. The operation principle and a suitable pulse-width modulation method are proposed. The relation between the modulation index and... Read More about New modulation scheme for bidirectional qZS modular multi-level converters.

Predictive Control Applied to a Cascaded H-Bridge Multilevel Converter (2019)
Conference Proceeding
Hosseinzadeh, M. A., Sarbanzadeh, M., Sarbanzadeh, E., Rivera, M., & Wheeler, P. (2019). Predictive Control Applied to a Cascaded H-Bridge Multilevel Converter. In 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC). https://doi.org/10.1109/ESARS-ITEC.2018.8607723

© 2018 IEEE. Power converters are the main part of power electronic applications. A predictive strategy is a new control strategy to control cascaded H-Bridge (CHB) converter due to the control of multivariables, simultaneously. This report presents... Read More about Predictive Control Applied to a Cascaded H-Bridge Multilevel Converter.

An Integral Design of Ground Power Unit Supply for Aircraft Applications (2018)
Conference Proceeding
Rivera, M., Faundez, D., Kolar, J., Wheeler, P., Riveros, J. A., & Toledo, S. (2018). An Integral Design of Ground Power Unit Supply for Aircraft Applications. In 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC)

A new ground power unit configuration is introduced in this paper. The architecture comprises a six-pulse rectifier with active current injection in the input stage to achieve high-performance conversion with low polluted ac spectrum, whereas the out... Read More about An Integral Design of Ground Power Unit Supply for Aircraft Applications.

Artificial Intelligence Aided Automated Design for Reliability of Power Electronic Systems (2018)
Journal Article
Dragicevic, T., Wheeler, P., & Blaabjerg, F. (2019). Artificial Intelligence Aided Automated Design for Reliability of Power Electronic Systems. IEEE Transactions on Power Electronics, 34(8), 7161-7171. https://doi.org/10.1109/TPEL.2018.2883947

© 1986-2012 IEEE. This paper proposes a new methodology for automated design of power electronic systems realized through the use of artificial intelligence. Existing approaches do not consider the system's reliability as a performance metric or are... Read More about Artificial Intelligence Aided Automated Design for Reliability of Power Electronic Systems.

Model-Predictive-Control for Dual-Active-Bridge Converters with Triple Phase Shift in Naval Shipboard DC Micro-grids Supplying Pulsed Power Loads (2018)
Conference Proceeding
Chen, L., Wang, Z., Shao, S., Tarisciotti, L., Dragicevic, T., & Wheeler, P. (in press). Model-Predictive-Control for Dual-Active-Bridge Converters with Triple Phase Shift in Naval Shipboard DC Micro-grids Supplying Pulsed Power Loads

Dedicated Energy Storage System (ESS) has been an integral part of the shipboard micro-grids in naval vessels. Dual-Active-Bridge (DAB) converters are often chosen to be the interface between the ESS and the medium voltage DC bus due to isolation cap... Read More about Model-Predictive-Control for Dual-Active-Bridge Converters with Triple Phase Shift in Naval Shipboard DC Micro-grids Supplying Pulsed Power Loads.

Analysis and Modeling of SiC JFET Bi-Directional Switches Parasitic Oscillation (2018)
Journal Article
Wang, L., Yang, J., Ma, H., Wang, Z., Olanrewaju, K. O., & Wheeler, P. (2019). Analysis and Modeling of SiC JFET Bi-Directional Switches Parasitic Oscillation. IEEE Transactions on Power Electronics, 34(9), 8613-8625. https://doi.org/10.1109/tpel.2018.2885145

Silicon carbide (SiC) junction field-effect transistor (JFET) based bi-directional switches (BDSs) have great potential in the construction of several power electronic circuits, including matrix converters, multi-level converters, solid state breaker... Read More about Analysis and Modeling of SiC JFET Bi-Directional Switches Parasitic Oscillation.

New Asymmetric Cascaded Multi-level Converter with Reduced Components (2018)
Conference Proceeding
Hosseinzadeh, M. A., Sarbanzadeh, M., Sarbanzadeh, E., Rivera, M., & Wheeler, P. (2018). New Asymmetric Cascaded Multi-level Converter with Reduced Components. . https://doi.org/10.1109/ESARS-ITEC.2018.8607383

Multi-level converters have been used in several industrial applications. The following work seeks to present a novel power inverter structure featuring a low amount of devices for a multi-level converter with an asymmetric cascaded connection. The s... Read More about New Asymmetric Cascaded Multi-level Converter with Reduced Components.

Predictive Control for MPPT in a Single-Stage Photovoltaic System (2018)
Conference Proceeding
Munoz, C., Rivera, M., Villalon, A., Riveros, J., Munoz, J., & Wheeler, P. (2018). Predictive Control for MPPT in a Single-Stage Photovoltaic System. In 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC). https://doi.org/10.1109/ESARS-ITEC.2018.8607529

Predictive control has risen as a plausible option in the control of power converters for photovoltaic utilisation. In this work, a predictive control scheme is proposed to obtain the maximum power point in a photovoltaic array coupled directly to a... Read More about Predictive Control for MPPT in a Single-Stage Photovoltaic System.

Design, Assembly and Startup of a Single-Phase Multi-Modular Matrix Converter for Grid Interconnection (2018)
Conference Proceeding
Rivera, M., Castro, G., & Wheeler, P. (2018). Design, Assembly and Startup of a Single-Phase Multi-Modular Matrix Converter for Grid Interconnection. In 2018 IEEE International Conference on Automation/XXIII Congress of the Chilean Association of Automatic Control (ICA-ACCA) - Proceedings (1-6). https://doi.org/10.1109/ICA-ACCA.2018.8609839

Power converters play a fundamental role in grid interconnection systems. In this article we present the design, assembly and start-up of a multimodular converter. The different stages and design components of the system are detailed. The main idea o... Read More about Design, Assembly and Startup of a Single-Phase Multi-Modular Matrix Converter for Grid Interconnection.

A New Topology of AC-AC Ground Power Unit for Aeronautical Applications (2018)
Conference Proceeding
Rivera, M., Faundez, D., Kolar, J., & Wheeler, P. (2018). A New Topology of AC-AC Ground Power Unit for Aeronautical Applications. https://doi.org/10.1109/ICA-ACCA.2018.8609736

Nowadays, electrical energy is the alternative to supply aircraft systems. In this paper a new converter for ground power units supply in aircraft applications is proposed. The topology consists in a rectifier with an active current injection circuit... Read More about A New Topology of AC-AC Ground Power Unit for Aeronautical Applications.

Advanced modulations for a current-fed isolated DC-DC converter with wide voltage operating ranges (2018)
Journal Article
Chen, L., Tarisciotti, L., Costabeber, A., Gao, F., Wheeler, P., & Zanchetta, P. (2019). Advanced modulations for a current-fed isolated DC-DC converter with wide voltage operating ranges. IEEE Journal of Emerging and Selected Topics in Power Electronics, 7(4), 2540-2552. https://doi.org/10.1109/jestpe.2018.2870827

An Active-Bridge-Active-Clamp (ABAC) topology with its associated switching patterns and modulation techniques is introduced in this paper. The topology has been designed to comply with stringent power quality requirements in a More Electric Aircraft... Read More about Advanced modulations for a current-fed isolated DC-DC converter with wide voltage operating ranges.

A Modulated Model Predictive Control Scheme for the Brushless Doubly Fed Induction Machine (2018)
Journal Article
Li, X., Peng, T., Dan, H., Zhang, G., Tang, W., Jin, W., …Rivera, M. (2018). A Modulated Model Predictive Control Scheme for the Brushless Doubly Fed Induction Machine. IEEE Journal of Emerging and Selected Topics in Power Electronics, 6(4), 1681-1691. https://doi.org/10.1109/JESTPE.2018.2865668

© 2013 IEEE. Brushless doubly fed induction machines (BDFIMs) feature some important advantages, such as high reliability and low maintenance cost, over alternative solutions for brushless machine applications. This paper proposes a modulated model p... Read More about A Modulated Model Predictive Control Scheme for the Brushless Doubly Fed Induction Machine.

Three-Phase AC-DC Converters with Passive, Active and Hybrid Current Injection Circuits - Part I (2018)
Conference Proceeding
Rivera, M., Faundez, D., Kolar, J., Wheeler, P., & Riveros, J. A. (2018). Three-Phase AC-DC Converters with Passive, Active and Hybrid Current Injection Circuits - Part I. In Proceedings - 2018 IEEE Biennial Congress of Argentina (ARGENCON) (1-7). https://doi.org/10.1109/ARGENCON.2018.8646244

© 2018 IEEE. AC-DC three-phase converters are very well known for having enhanced power quality with unity displacement power factor, low total harmonic pollution on the AC side, and controllable DC output with unidirectional or bidirectional power f... Read More about Three-Phase AC-DC Converters with Passive, Active and Hybrid Current Injection Circuits - Part I.

Three-Phase AC-DC Converters with Passive, Active and Hybrid Current Injection Circuits - Part II (2018)
Conference Proceeding
Rivera, M., Faundez, D., Kolar, J., Wheeler, P., & Riveros, J. A. (2018). Three-Phase AC-DC Converters with Passive, Active and Hybrid Current Injection Circuits - Part II. In 2018 IEEE Biennial Congress of Argentina (ARGENCON) (1-5). https://doi.org/10.1109/ARGENCON.2018.8646106

© 2018 IEEE. AC-DC Three-phase converters are highly well known for having enhanced power quality with unity displacement power factor, low total harmonic pollution on the AC side, and controllable DC output with unidirectional or bidirectional power... Read More about Three-Phase AC-DC Converters with Passive, Active and Hybrid Current Injection Circuits - Part II.

A New Ground Power Unit (GPU) Supply for Aircraft Applications (2018)
Conference Proceeding
Rivera, M., Faundez, D., Kolar, J., Wheeler, P., Besoain, F., & Riveros, J. A. (2018). A New Ground Power Unit (GPU) Supply for Aircraft Applications. In 2018 IEEE Biennial Congress of Argentina (ARGENCON) (1-6). https://doi.org/10.1109/ARGENCON.2018.8646311

Nowadays, electrical energy is the alternative to supply aircraft systems. In this paper a new converter for ground power units supply in aircraft applications is proposed. The topology consists of a rectifier with an active current injection circuit... Read More about A New Ground Power Unit (GPU) Supply for Aircraft Applications.

A Modified Neutral Point Balancing Space Vector Modulation for Three-Level Neutral Point Clamped Converters in High-Speed Drives (2018)
Journal Article
Li, C., Yang, T., Kulsangcharoen, P., Lo Calzo, G., Bozhko, S., Gerada, C., & Wheeler, P. (2018). A Modified Neutral Point Balancing Space Vector Modulation for Three-Level Neutral Point Clamped Converters in High-Speed Drives. IEEE Transactions on Industrial Electronics, 66(2), 910-921. https://doi.org/10.1109/TIE.2018.2835372

© 2018 IEEE. This paper describes a high-performance neutral point voltage balancing technique for a neutral point clamped (NPC) converter. Conventional neutral point voltage balancing methods do not function well under low power factor, low pulse ra... Read More about A Modified Neutral Point Balancing Space Vector Modulation for Three-Level Neutral Point Clamped Converters in High-Speed Drives.

Integrated motor drive design for weight optimization (2017)
Conference Proceeding
Cheong, B., Giangrande, P., Galea, M., Zanchetta, P., & Wheeler, P. (2017). Integrated motor drive design for weight optimization. In 2017 IEEE Energy Conversion Congress and Exposition (ECCE) (816-823). https://doi.org/10.1109/ECCE.2017.8095869

The More-Electric Aircraft (MEA) concept has been introduced as part of the process of reducing the environmental impact of air travel. Incorporating more electrical systems including motor drives has become increasingly attractive researched. High p... Read More about Integrated motor drive design for weight optimization.

Z-source matrix rectifier (2016)
Journal Article
Zhang, C., Hongchen, L., Yuliang, J., Dan, Z., Wheeler, P., & Guolei, F. (2016). Z-source matrix rectifier. IET Power Electronics, 9(13), 2580-2590. https://doi.org/10.1049/iet-pel.2015.0966

This paper presents a novel Z-source matrix rectifier(ZSMR). To overcome the inherent disadvantage that the voltage transfer ratio for traditional matrix rectifier cannot be more than 0.866, a Z-source network has been combined with the matrix rectif... Read More about Z-source matrix rectifier.

Modular integration of a matrix converter (2015)
Journal Article
Solomon, A. K., Skuriat, R., Castellazzi, A., & Wheeler, P. (2016). Modular integration of a matrix converter. IEEJ Transactions on Electrical and Electronic Engineering, 11(1), https://doi.org/10.1002/tee.22194

The future development of high-performance power electronics will rely increasingly on system-level integration, where semiconductor devices are co-packaged with other active and passive components (e.g., gate drivers, filter capacitors, and inductor... Read More about Modular integration of a matrix converter.

Electromagnetic launch systems for civil aircraft assisted take-off (2015)
Journal Article
Bertola, L., Cox, T., Wheeler, P., Garvey, S. D., & Morvan, H. (2015). Electromagnetic launch systems for civil aircraft assisted take-off. Archives of Electrical Engineering, 64(4), https://doi.org/10.1515/aee-2015-0039

This paper considers the feasibility of different technologies for an electromagnetic launcher to assist civil aircraft take-off. This method is investigated to reduce the power required from the engines during initial acceleration. Assisted launch h... Read More about Electromagnetic launch systems for civil aircraft assisted take-off.

Control of a hybrid modular multilevel converter during grid voltage unbalance (2015)
Conference Proceeding
Amankwah, E. K., Watson, A., Wheeler, P., & Clare, J. C. Control of a hybrid modular multilevel converter during grid voltage unbalance.

The recently proposed parallel hybrid modular multilevel converter is considered to be a low loss, low component count converter with soft switching capability of the ‘main’ bridge. The converter has similar advantages to other emerging modular multi... Read More about Control of a hybrid modular multilevel converter during grid voltage unbalance.

A Simple Current Control Strategy for a Four-Leg Indirect Matrix Converter (2014)
Journal Article
Garcia, C., Rivera, M., Lopez, M., Rodriguez, J., Pena, R., Wheeler, P., & Espinoza, J. (2015). A Simple Current Control Strategy for a Four-Leg Indirect Matrix Converter. IEEE Transactions on Power Electronics, 30(4), 2275-2287. https://doi.org/10.1109/tpel.2014.2321562

In this paper the experimental validation of a predictive current control strategy for a four-leg indirect matrix converter is presented. The four-leg indirect matrix converter can supply energy to an unbalanced three-phase load whilst providing a pa... Read More about A Simple Current Control Strategy for a Four-Leg Indirect Matrix Converter.

Performance Evaluation of Cascaded H-bridge Multilevel Grid-Connected Converter with Model Predictive Control Technique
Conference Proceeding
Hosseinzadeh, M. A., Sarbanzadeh, M., Salehi, A., Rivera, M., Munoz, J., & Wheeler, P. (2019). Performance Evaluation of Cascaded H-bridge Multilevel Grid-Connected Converter with Model Predictive Control Technique. In 2019 IEEE International Conference on Industrial Technology (ICIT). https://doi.org/10.1109/icit.2019.8755160

Cascaded H-bridge multilevel converter (CHB) is a promising topology for grid-connection systems. On the other side, model predictive controls are advanced control strategies which have many advantages for power converters applications like as fast d... Read More about Performance Evaluation of Cascaded H-bridge Multilevel Grid-Connected Converter with Model Predictive Control Technique.