All Outputs (471)

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). 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.

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). 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.

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). 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)
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.

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). 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)
Presentation / Conference Contribution
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)
Presentation / Conference Contribution
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)
Presentation / Conference Contribution
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)
Presentation / Conference Contribution
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.

A SiC based 2-Level Power Converter for Shape-and-Space-Restricted Aerospace Applications (2019)
Presentation / Conference Contribution
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.

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.

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.

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., Vahedi, A., & Wheeler, P. (2019). 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 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.

Wavelet-based ESS sizing strategy to enable power peak-shaving in PV systems (2019)
Presentation / Conference Contribution
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.