Professor PATRICK WHEELER's Outputs (576)

Transfer Function Based Input Impedance Determination of Triple Active Bridge Converter (2019)
Presentation / Conference Contribution
Yang, J., Buticchi, G., Gu, C., Günter, S., Yan, H., & Wheeler, P. (2019, October). Transfer Function Based Input Impedance Determination of Triple Active Bridge Converter. Presented at IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society, Lisbon, Portugal

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.

An Enhanced Unified Space Vector Modulation Technique for Dual Converters with Isolated Voltage Supplies (2019)
Presentation / Conference Contribution
Huang, Z., Yang, T., Giangrande, P., Wheeler, P., & Galea, M. (2019, October). An Enhanced Unified Space Vector Modulation Technique for Dual Converters with Isolated Voltage Supplies. Presented at IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society, Lisbon, Portugal

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.

Trade-off Study of a High Power Density Starter-Generator for Turboprop Aircraft System (2019)
Presentation / Conference Contribution
Khowja, M. R., Vakil, G., Gerada, C., Yang, T., Bozhko, S., & Wheeler, P. (2019, October). Trade-off Study of a High Power Density Starter-Generator for Turboprop Aircraft System. Presented at 45th Annual Conference of the IEEE Industrial Electronics Society (IECON 2019), Lisbon, Portugal

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.

Fast and Accurate Multi-Physics Model for Optimization-based Design of VSBBC (2019)
Presentation / Conference Contribution
Cheong, B., Giangrande, P., Zhang, X., Galea, M., Zanchetta, P., & Wheeler, P. (2019, October). Fast and Accurate Multi-Physics Model for Optimization-based Design of VSBBC. Presented at 45th Annual Conference of the IEEE Industrial Electronics Society (IECON 2019), Lisbon, Portugal

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.

Comparative Evaluation of High Power Solid State Power Controller (SSPC) With and Without Auxiliary Over-current Bypass Circuit (2019)
Presentation / Conference Contribution
Adhikari, J., Yang, T., Bozhko, S., & Wheeler, P. (2019, October). Comparative Evaluation of High Power Solid State Power Controller (SSPC) With and Without Auxiliary Over-current Bypass Circuit. Presented at IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society, Lisbon, Portugal

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.

Cost function-based modulation scheme of model predictive control for VIENNA rectifier (2019)
Journal Article
Dang, C., Tong, X., Song, W., Han, Y., & Wheeler, P. (2019). Cost function-based modulation scheme of model predictive control for VIENNA rectifier. IET Power Electronics, 12(14), 3646-3655. https://doi.org/10.1049/iet-pel.2019.0546

Finite control set model predictive control (FCS-MPC) has been widely used in the control of grid-connected converters with the advantages of fast dynamics, multi-objective control, and easy implement. However, the conventional FCS-MPC bears with var... Read More about Cost function-based modulation scheme of model predictive control for VIENNA rectifier.

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., Bai, Z., & 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.

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)
Presentation / Conference Contribution
Li, Z., Wheeler, P., Watson, A., Costabeber, A., Bai, Z., Zhang, X., Zhao, B., & Ma, H. (2019, September). A Nonintrusive IGBT Open-Circuit Fault and Current Sensor Fault Diagnosis Method for Grid-Tied Three-phase Three-Wire Inverter with Two Current Sensors. Presented at 2019 IEEE Energy Conversion Congress and Exposition (ECCE), Baltimore, MD, USA

© 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.

Grid Impedance Identification and Structured-h2 Optimization Based Controller Design of Active Front-end in Embedded AC Networks (2019)
Presentation / Conference Contribution
Li, K., Dewar, D., Formentini, A., Zanchetta, P., & Wheeler, P. (2019, September). Grid Impedance Identification and Structured-h2 Optimization Based Controller Design of Active Front-end in Embedded AC Networks. Presented at 2019 IEEE Energy Conversion Congress and Exposition (ECCE), Baltimore, MD, USA

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.

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)
Presentation / Conference Contribution
Guo, F., Yang, T., Bozhko, S., & Wheeler, P. (2019, September). 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. Presented at IEEE Energy Conversion Congress and Exposition (ECCE 2019), Baltimore, MD, USA

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.

An Active Modulation Scheme for Avoiding Overcharging in the Dual Converter with Isolated Asymmetric Supplies (2019)
Presentation / Conference Contribution
Huang, Z., Yang, T., Giangrande, P., Wheeler, P., & Galea, M. (2019, September). An Active Modulation Scheme for Avoiding Overcharging in the Dual Converter with Isolated Asymmetric Supplies. Presented at 2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe), Genova, Italy

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)
Presentation / Conference Contribution
Ahumada, C., & Wheeler, P. (2019, September). Evaluation of Posicast Compensator Robustness for the Reduction of Torsional Vibrations. Presented at 2019 IEEE Energy Conversion Congress and Exposition (ECCE), Baltimore, MD, USA

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.

Experimental evaluation of predictive voltage control for a four‐leg two‐stage matrix converter (2019)
Journal Article
Garcia, C., Rivera, M., Rodriguez, J., & Wheeler, P. (2019). Experimental evaluation of predictive voltage control for a four‐leg two‐stage matrix converter. IET Power Electronics, 12(12), 3077-3084. https://doi.org/10.1049/iet-pel.2018.6378

Model predictive control (MPC) has emerged as a real alternative for the control of different topologies of power converters. In particular, MPC has been successfully applied in matrix converters, significantly reducing the difficulty of control comp... Read More about Experimental evaluation of predictive voltage control for a four‐leg two‐stage matrix converter.

Simulations and Measurement Analysis of SiC MOSFET and IGBT Gate Drive Performance in Power Modules for More Electric Aircraft Motor Drive Applications (2019)
Presentation / Conference Contribution
O'Donnell, S., Chan, A., Wheeler, P., & Castellazzi, A. (2019, September). Simulations and Measurement Analysis of SiC MOSFET and IGBT Gate Drive Performance in Power Modules for More Electric Aircraft Motor Drive Applications. Presented at 2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe), Genova, Italy

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)
Presentation / Conference Contribution
Cheong, B., Giangrande, P., Zhang, X., Galea, M., Zanchetta, P., & Wheeler, P. (2019, September). System-Level Motor Drive Modelling for Optimization-based Designs. Presented at 2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe), Genova, Italy

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)
Presentation / Conference Contribution
Lang, X., Yang, T., Enalou, H. B., Wheeler, P., & Bozhko, S. (2019, August). A Power Generation Center with Back-to-back Converter Considering Post-fault Operation for MEA Application. Presented at 2019 22nd International Conference on Electrical Machines and Systems (ICEMS), Harbin, China

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)
Presentation / Conference Contribution
Cheong, B., Giangrande, P., Zhang, X., Galea, M., Zanchetta, P., & Wheeler, P. (2019, August). Fast and Accurate Model for Optimization-based Design of Fractional-Slot Surface PM Machines. Presented at 2019 22nd International Conference on Electrical Machines and Systems (ICEMS), Harbin, China

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)
Presentation / Conference Contribution
Guo, F., Yang, T., Bozhko, S., & Wheeler, P. (2019, August). Open-Switch Fault Diagnosis for Three-Phase AC-DC Power Converter with Park's Vector Method Considering Modulation Schemes. Presented at 2019 IEEE 12th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED), Toulouse, France

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.