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Modulated Model Predictive Current Control for PMSM Operating With Three-level NPC Inverter (2019)
Conference Proceeding
Wang, Q., Rivera, M., Riveros, J. A., & Wheeler, P. (2019). Modulated Model Predictive Current Control for PMSM Operating With Three-level NPC Inverter

In finite control set model predictive control (FCS-MPC) strategy only one basic voltage vector is to be selected in per periodic time, which causes big current ripple as well as the torque ripple of permanent magnet synchronous motor (PMSM). To solv... Read More about Modulated Model Predictive Current Control for PMSM Operating With Three-level NPC Inverter.

Multi-modular scalable DC-AC power converter for current injection to the grid based on predictive voltage control (2019)
Conference Proceeding
Toledo, S., Rivera, M., Maqueda, E., Ayala, M., Pacher, J., Romero, C., …Wheeler, P. (2019). Multi-modular scalable DC-AC power converter for current injection to the grid based on predictive voltage control

Increasing world electrical energy demand make necessary to develop new efficient and reliable schemes for power injection to the existing grid under distributed generation frames. In this work a novel DC-AC control scheme is proposed, which is based... Read More about Multi-modular scalable DC-AC power converter for current injection to the grid based on predictive voltage control.

Predictive Voltage Control Operating at Fixed Switching Frequency of a Neutral-Point Clamped Converter (2019)
Conference Proceeding
Herrera, F., Cárdenas, R., Rivera, M., Riveros, J. A., & Wheeler, P. (2019). Predictive Voltage Control Operating at Fixed Switching Frequency of a Neutral-Point Clamped Converter

Uninterruptible power supply units are system formed by power electronics converters to supply sinusoidal voltages to feed critical loads. In this paper, a fixed switching frequency model predictive control strategy is presented for the control of th... Read More about Predictive Voltage Control Operating at Fixed Switching Frequency of a Neutral-Point Clamped Converter.

Reliability Analysis of aircraft starter generator drive converter (2019)
Conference Proceeding
Harikumaran, J., Buticchi, G., Galea, M., Costabeber, A., & Wheeler, P. (2019). Reliability Analysis of aircraft starter generator drive converter. In 2019 IEEE 15th Brazilian Power Electronics Conference and 5th IEEE Southern Power Electronics Conference (COBEP SPEC)

Under the more electric aircraft (MEA) theme, many aircraft systems are being electrified. In a previous research work, an electric starter generator system for aircrafts was implemented. This paper presents the reliability of the drive converter-a 3... Read More about Reliability Analysis of aircraft starter generator drive converter.

Integrating a Single Z-Source Network with a Modular Multilevel Converter for Voltage Boosting (2019)
Conference Proceeding
Khera, F. A., Wheeler, P. W., & Klumpner, C. (2019). Integrating a Single Z-Source Network with a Modular Multilevel Converter for Voltage Boosting

This paper proposes the integration of a Z-source network with the modular multilevel converter (MMC) to add voltage boosting capability to a voltage step down converter. To limit the increase in complexity, the proposed Z-source modular multilevel c... Read More about Integrating a Single Z-Source Network with a Modular Multilevel Converter for Voltage Boosting.

Direct Power Control of Modular Multilevel Matrix Converter for Flexible AC Transmission System Applications (2019)
Conference Proceeding
Wheeler, P., Duran, A., Rojas, F., Diaz, M., & Ibaceta, E. (2019). Direct Power Control of Modular Multilevel Matrix Converter for Flexible AC Transmission System Applications. In 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON) (1-6). https://doi.org/10.1109/CHILECON47746.2019.8988098

The Modular Multilevel Matrix Converter (M3C) has been proposed as an appropriate alternative for high-power machines due to characteristics such as modularity, medium-voltage operation, high power quality and reliability. However, complex control sy... Read More about Direct Power Control of Modular Multilevel Matrix Converter for Flexible AC Transmission System Applications.

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.

Predictive Control Strategies in Power Converters (2019)
Conference Proceeding
Perez-Guzman, R. E., Rivera, M., & Wheeler, P. W. (2019). Predictive Control Strategies in Power Converters. In IEEE Chilean Conference on Electrical, Electronics Engineering, Information and Communication Technologies ( 1-6). https://doi.org/10.1109/CHILECON47746.2019.8987539

Model-based predictive control (MPC) is an attractive solution for controlling power converters. In this article the most recent investigations related to predictive control are addressed and the solutions proposed by the researchers are shown, illus... Read More about Predictive Control Strategies in Power Converters.

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.

Predictive Voltage Control of the Direct Matrix Converter applied to Grid Current Injection (2019)
Conference Proceeding
Toledo, S., Rivera, M., Dragicevic, T., Caballero, D., Wheeler, P., & Gregor, R. (2020). Predictive Voltage Control of the Direct Matrix Converter applied to Grid Current Injection. In 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)https://doi.org/10.1109/CHILECON47746.2019.8987518

Predictive control applied to direct matrix converter provide a feasible option to control the output voltage of a generation system with good performance. In this work a predictive voltage control strategy is proposed as the inner loop control of an... Read More about Predictive Voltage Control of the Direct Matrix Converter applied to Grid Current Injection.

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.

Sliding mode controller applied to coupled inductor dual boost inverter (2019)
Journal Article
Fang, Y., Cao, S., & Wheeler, P. (2019). Sliding mode controller applied to coupled inductor dual boost inverter. Journal of Power Electronics, 19(6), 1403-1412. https://doi.org/10.6113/JPE.2019.19.6.1403

A coupled inductor-dual boost-inverter (CIDBI) with differential structure has been presented to be applied to micro-inverter photovoltaic module system because of its turn ratio of high-voltage level. However, it is hard for CIDBI converter with con... Read More about Sliding mode controller applied to coupled inductor dual boost inverter.

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.

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.

Fast and Accurate Multi-Physics Model for Optimization-based Design of VSBBC (2019)
Conference Proceeding
Cheong, B., Giangrande, P., Zhang, X., Galea, M., Zanchetta, P., & Wheeler, P. (2019). Fast and Accurate Multi-Physics Model for Optimization-based Design of VSBBC. In IECON Proceedings 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (1762-1767). https://doi.org/10.1109/IECON.2019.8927694

The development and validation of an advanced two-level Voltage Source Back-to-Back Converter model, considering its multi-physics operation, is presented in this paper. Based on a set of input parameters, the proposed model evaluates the converter i... Read More about Fast and Accurate Multi-Physics Model for Optimization-based Design of VSBBC.

Trade-off Study of a High Power Density Starter-Generator for Turboprop Aircraft System (2019)
Conference Proceeding
Khowja, M. R., Vakil, G., Gerada, C., Yang, T., Bozhko, S., & Wheeler, P. (2019). Trade-off Study of a High Power Density Starter-Generator for Turboprop Aircraft System. In Proceedings: IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (1435-1440). https://doi.org/10.1109/IECON.2019.8926961

Mechanically-driven actuators, compressors and pumps are being replaced by the aircraft manufacturers that shift the trend towards 'More Electric Aircraft' and hence reducing the mechanical linkages within the aircraft system. This elevates the depen... Read More about Trade-off Study of a High Power Density Starter-Generator for Turboprop Aircraft System.

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.

A Fast Diagnosis Method for Both IGBT Faults and Current Sensor Faults in Grid-Tied Three-Phase Inverters With Two Current Sensors (2019)
Journal Article
Li, Z., Wheeler, P., Watson, A., Costabeber, A., Wang, B., Ren, Y., …Ma, H. (2020). A Fast Diagnosis Method for Both IGBT Faults and Current Sensor Faults in Grid-Tied Three-Phase Inverters With Two Current Sensors. IEEE Transactions on Power Electronics, 35(5), 5267-5278. https://doi.org/10.1109/tpel.2019.2946692

© 1986-2012 IEEE. This article considers fault detection in the case of a three-phase three-wire (3P3W) inverter, when only two current sensors are used to save cost or due to a faulty current sensor. With two current sensors, there is no current met... Read More about A Fast Diagnosis Method for Both IGBT Faults and Current Sensor Faults in Grid-Tied Three-Phase Inverters With Two Current Sensors.

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.

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.

A Nonintrusive IGBT Open-Circuit Fault and Current Sensor Fault Diagnosis Method for Grid-Tied Three-phase Three-Wire Inverter with Two Current Sensors (2019)
Conference Proceeding
Li, Z., Wheeler, P., Watson, A., Costabeber, A., Bai, Z., Zhang, X., …Ma, H. (2019). A Nonintrusive IGBT Open-Circuit Fault and Current Sensor Fault Diagnosis Method for Grid-Tied Three-phase Three-Wire Inverter with Two Current Sensors. In 2019 IEEE Energy Conversion Congress and Exposition (ECCE) (2963-2967). https://doi.org/10.1109/ECCE.2019.8912813

© 2019 IEEE. In some cases, only two current sensors are available in three-phase three-wire (3P3W) inverters. This occurs when one of three sensors is faulty, or the inverter is equipped with only two sensors to save cost. There has been no method a... Read More about A Nonintrusive IGBT Open-Circuit Fault and Current Sensor Fault Diagnosis Method for Grid-Tied Three-phase Three-Wire Inverter with Two Current Sensors.

A Novel Virtual Space Vector Modulation Scheme for Three-Level NPC Power Converter with Neutral-Point Voltage Balancing and Common-Mode Voltage Reduction for Electric Starter/Generator System in More-Electric-Aircraft (2019)
Conference Proceeding
Guo, F., Yang, T., Bozhko, S., & Wheeler, P. (2019). A Novel Virtual Space Vector Modulation Scheme for Three-Level NPC Power Converter with Neutral-Point Voltage Balancing and Common-Mode Voltage Reduction for Electric Starter/Generator System in More-Electric-Aircraft. In 2019 IEEE Energy Conversion Congress and Exposition (ECCE) (1852-1858). https://doi.org/10.1109/ECCE.2019.8913186

In recent years, More-Electric-Aircraft (MEA) becomes the state-of-the-art. One of the essential issue need to be solved is neutral-point (NP) voltage drift in three-level neutral-point-clamped (3L-NPC) power converter because of low power factor (PF... Read More about A Novel Virtual Space Vector Modulation Scheme for Three-Level NPC Power Converter with Neutral-Point Voltage Balancing and Common-Mode Voltage Reduction for Electric Starter/Generator System in More-Electric-Aircraft.

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.

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.

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.

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.

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.

Fast and Accurate Model for Optimization-based Design of Fractional-Slot Surface PM Machines (2019)
Conference Proceeding
Cheong, B., Giangrande, P., Zhang, X., Galea, M., Zanchetta, P., & Wheeler, P. (2019). Fast and Accurate Model for Optimization-based Design of Fractional-Slot Surface PM Machines. In 2019 22nd International Conference on Electrical Machines and Systems (ICEMS) (1-6). https://doi.org/10.1109/ICEMS.2019.8921605

This paper presents the development and validation of a fast, accurate, and high dimensional Multiphysics analytical model for the optimization-based design of fractional-slot surface permanent magnet (PM) machines. The approach is non-iterative and... Read More about Fast and Accurate Model for Optimization-based Design of Fractional-Slot Surface PM Machines.

Open-Switch Fault Diagnosis for Three-Phase AC-DC Power Converter with Park's Vector Method Considering Modulation Schemes (2019)
Conference Proceeding
Guo, F., Yang, T., Bozhko, S., & Wheeler, P. (2019). Open-Switch Fault Diagnosis for Three-Phase AC-DC Power Converter with Park's Vector Method Considering Modulation Schemes. In Proceedings of the 2019 IEEE 12th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (405-411). https://doi.org/10.1109/DEMPED.2019.8864839

Open-switch fault accounts for large proportions among failures in power conversion system. Previously, fault defection methods are carried out by researches from transient period or circuit configuration with complicated algorithms. This paper revea... Read More about Open-Switch Fault Diagnosis for Three-Phase AC-DC Power Converter with Park's Vector Method Considering Modulation Schemes.

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.

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.

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.

New Reduced Asymmetric Basic Module Multilevel Converters for Cascaded Configurations (2019)
Conference Proceeding
Hosseinzadeh, M. A., Sarbanzadeh, M., Rivera, M., & Wheeler, P. (2019). New Reduced Asymmetric Basic Module Multilevel Converters for Cascaded Configurations. In Proceedings 2019 IEEE 28th International Symposium on Industrial Electronics (2653-2658). https://doi.org/10.1109/ISIE.2019.8781382

Requiring a high number of power switches and their rating are the main limitations of multilevel converters in medium-voltage applications. The main objective of this paper is, introduce a reduced asymmetric basic module (RABM) for cascaded multilev... Read More about New Reduced Asymmetric Basic Module Multilevel Converters for Cascaded Configurations.

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.

Challenges of the optimization of a high-speed induction machine for naval applications (2019)
Journal Article
Buticchi, G., Gerada, D., Alberti, L., Galea, M., Wheeler, P., Bozhko, S., …Gerada, C. (2019). Challenges of the optimization of a high-speed induction machine for naval applications. Energies, 12(12), Article 2431. https://doi.org/10.3390/en12122431

In several industrial sectors, induction machines are being replaced with permanent magnet based alternatives, owing to the potential for higher power density and efficiency. However, high-speed applications feature a wide flux-weakening region, wher... Read More about Challenges of the optimization of a high-speed induction machine for naval applications.

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.

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)
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.

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.

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.

Model-Predictive-Control for Dual-Active-Bridge Converters Supplying Pulsed Power Loads in Naval DC Micro-grids (2019)
Journal Article
Chen, L., Shao, S., Xiao, Q., Tarisciotti, L., Wheeler, P. W., & Dragicevic, T. (2019). Model-Predictive-Control for Dual-Active-Bridge Converters Supplying Pulsed Power Loads in Naval DC Micro-grids. IEEE Transactions on Power Electronics, 35(2), 1957-1966. https://doi.org/10.1109/TPEL.2019.2917450

Pulsed-Power-Loads (PPLs) are becoming prevalent in medium-voltage naval DC micro-grids. To alleviate their effects on the system, energy storages are commonly installed. For optimal performance, their interface converters need to have fast dynamics... Read More about Model-Predictive-Control for Dual-Active-Bridge Converters Supplying Pulsed Power Loads in Naval DC Micro-grids.

A Dual-Channel Enhanced Power Generation Architecture with Back-to-back Converter for MEA Application (2019)
Conference Proceeding
Lang, X., Yang, T., Enalou, H. B., Li, C., Bozhko, S., & Wheeler, P. (2019). A Dual-Channel Enhanced Power Generation Architecture with Back-to-back Converter for MEA Application. In Proceedings of 2019 IEEE International Electric Machines & Drives Conference (IEMDC) (1392-1397). https://doi.org/10.1109/IEMDC.2019.8785095

This paper presents a new electricity power generation architecture for the engine system of more electric aircraft (MEA). A starter/generator (SG) is connected to high-pressure (HP) spool, and a generator is attached to low-pressure (LP) spool. Thei... Read More about A Dual-Channel Enhanced Power Generation Architecture with Back-to-back Converter for MEA Application.

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.

Genetic Algorithm Technique for 7-Level Cascaded H-Bridge Multilevel Converter THD Minimization (2019)
Conference Proceeding
Sarbanzadeh, M., Hosseinzadeh, M. A., Salehi, A., Rivera, M., & Wheeler, P. (2019). Genetic Algorithm Technique for 7-Level Cascaded H-Bridge Multilevel Converter THD Minimization. https://doi.org/10.1109/isie.2019.8781206

Multilevel converters (especially cascaded H-bridge converters) have been widely applied to industrial applications, today. One of the main problems of multilevel converters is high magnitudes of total harmonics distortions which has an effect on the... Read More about Genetic Algorithm Technique for 7-Level Cascaded H-Bridge Multilevel Converter THD Minimization.

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.

Modified H-bridge inverter with reduced number of switching devices (2019)
Conference Proceeding
Hosseinzadeh, M. A., Hadiizadeh, H., Sarbanzadeh, M., Rivera, M., Munoz, J., & Wheeler, P. (2019). Modified H-bridge inverter with reduced number of switching devices.

In this paper, a modified topology for developing H-bridge inverter is proposed which the number of components is lower than other inverters as well as the proposed inverter generates a high number of level with low total harmonics distortions. In th... Read More about Modified H-bridge inverter with reduced number of switching devices.

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.

Two methods for controlling three-time fundamental frequency neutral-point voltage oscillation in a hybrid VIENNA rectifier (2019)
Journal Article
Song, W., Dai, Z., Xie, N., Wang, Y., & Pat, W. (2019). Two methods for controlling three-time fundamental frequency neutral-point voltage oscillation in a hybrid VIENNA rectifier. IET Power Electronics, 12(4), 932-943. https://doi.org/10.1049/iet-pel.2018.5017

This study presents two methods of controlling neutral-point voltage oscillation in a hybrid VIENNA rectifier, which is composed of the parallel association of a three-phase single-switch Boost rectifier with a VIENNA-type rectifier. The neutral-poin... Read More about Two methods for controlling three-time fundamental frequency neutral-point voltage oscillation in a hybrid VIENNA rectifier.