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2-DOF Decoupled Discrete Current Control for AC Drives at Low Sampling-to-Fundamental Frequency Ratios (2022)
Journal Article
Wang, M., Buticchi, G., Li, J., Gu, C., Gerada, D., Degano, M., …Gerada, C. (2023). 2-DOF Decoupled Discrete Current Control for AC Drives at Low Sampling-to-Fundamental Frequency Ratios. IEEE Transactions on Transportation Electrification, 9(2), 2048-2058. https://doi.org/10.1109/TTE.2022.3210909

In high performance drive systems, wide bandwidth and reference tracking accuracy of current control loop are fundamental requirements. The conventional PI controller provides robustness against the machine parameter mismatching and zero steady-state... Read More about 2-DOF Decoupled Discrete Current Control for AC Drives at Low Sampling-to-Fundamental Frequency Ratios.

A Multiport Power Conversion System for the More Electric Aircraft (2020)
Journal Article
Gu, C., Yan, H., Yang, J., Sala, G., De Gaetano, D., Wang, X., …Buticchi, G. (2020). A Multiport Power Conversion System for the More Electric Aircraft. IEEE Transactions on Transportation Electrification, 6(4), 1707-1720. https://doi.org/10.1109/TTE.2020.3019446

In more electric aircraft (MEA), weight reduction and energy efficiency constitute the key figures. In addition, the safety and continuity of operation of its electrical power distribution system (EPDS) are of critical importance. These sets of desir... Read More about A Multiport Power Conversion System for the More Electric Aircraft.

Performance Enhancement of Direct Torque-Controlled Permanent Magnet Synchronous Motor with a Flexible Switching Table (2020)
Journal Article
Nasr, A., Gu, C., Bozhko, S., & Gerada, C. (2020). Performance Enhancement of Direct Torque-Controlled Permanent Magnet Synchronous Motor with a Flexible Switching Table. Energies, 13(8), https://doi.org/10.3390/en13081907

In this paper, a flexible switching table (FST) for direct torque control (DTC) of permanent magnet synchronous motors (PMSMs) was proposed to enhance the steady-state and dynamic performances of the drive system. First, the influence of each convert... Read More about Performance Enhancement of Direct Torque-Controlled Permanent Magnet Synchronous Motor with a Flexible Switching Table.

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.

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 optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control (2017)
Journal Article
Fan, B., Wang, K., Wheeler, P., Gu, C., & Li, Y. (in press). An optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control. IEEE Transactions on Power Electronics, 33(8), https://doi.org/10.1109/TPEL.2017.2755767

The modular multilevel matrix converter (M3C) is a promising topology for high-voltage high-power applications. Recent researches have proved its significant advantages for adjustable-speed motor drives compared with the back-to-back modular multilev... Read More about An optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control.

Semiconductor devices in solid-state/hybrid circuit breakers: current status and future trends (2017)
Journal Article
Gu, C., Wheeler, P., Castellazzi, A., Watson, A. J., & Effah, F. (2017). Semiconductor devices in solid-state/hybrid circuit breakers: current status and future trends. Energies, 10(4), Article 495. https://doi.org/10.3390/en10040495

Circuit breakers (CBs) are the main protection devices for both alternating current (AC) and direct current (DC) power systems, ranging from tens of watts up to megawatts. This paper reviews the current status for solid-state circuit breakers (SSCBs)... Read More about Semiconductor devices in solid-state/hybrid circuit breakers: current status and future trends.

A branch current reallocation based energy balancing strategy for the modular multilevel matrix converter operating around equal frequency (2017)
Journal Article
Fan, B., Wang, K., Gu, C., Wheeler, P., & Li, Y. (2018). A branch current reallocation based energy balancing strategy for the modular multilevel matrix converter operating around equal frequency. IEEE Transactions on Power Electronics, 33(2), 1105-1117. https://doi.org/10.1109/TPEL.2017.2685431

Modular multilevel matrix converter (M3C) is a promising topology for medium-voltage high-power applications. Due to the modular structure, it features easy scalability, high quality output waveforms and superior fault tolerance. However, M3C suffers... Read More about A branch current reallocation based energy balancing strategy for the modular multilevel matrix converter operating around equal frequency.

A branch current reallocation based energy balancing strategy for the modular multilevel matrix converter operating around equal frequency (2016)
Conference Proceeding
Fan, B., Wang, K., Gu, C., Wheeler, P., & Li, Y. (2016). A branch current reallocation based energy balancing strategy for the modular multilevel matrix converter operating around equal frequency. In IECON 2016 Proceedings - 42nd Annual Conference of the IEEE Industrial Electronics Society (3111-3116). https://doi.org/10.1109/IECON.2016.7792966

The Modular multilevel matrix converter (M3C) is a promising topology for medium-voltage, high-power applications. Due to the modular structure, it is scalable, produces high quality output waveforms and can be fault tolerant. However, the M3C suffer... Read More about A branch current reallocation based energy balancing strategy for the modular multilevel matrix converter operating around equal frequency.

Novel current-limiting strategy for solid-state circuit breakers (SSCB) without additional impedance (2016)
Conference Proceeding
Gu, C., Effah, F. B., Castellazzi, A., Watson, A. J., & Wheeler, P. (2016). Novel current-limiting strategy for solid-state circuit breakers (SSCB) without additional impedance. In 2016 18th European Conference on Power Electronics and Applications (EPE'16 ECCE Europe) (1-10). https://doi.org/10.1109/EPE.2016.7695675

Current-limiting strategies for solid-state circuit breaker (SSCB) without adding impedance is introduced in this paper. With the current limitation of novel phase-shifting method, the advantages are simple hardware structure, relatively low cost, no... Read More about Novel current-limiting strategy for solid-state circuit breakers (SSCB) without additional impedance.

A survey on configurations of current-limiting circuit breakers (CL-CB) (2016)
Conference Proceeding
Gu, C., Wheeler, P., Castellazzi, A., Watson, A. J., & Effah, F. B. (2016). A survey on configurations of current-limiting circuit breakers (CL-CB).

This paper presents a survey of topology configurations of current-limiting circuit breakers. Twelve different current-limiting topologies within four categories are detailed discussed and compared. It is concluded that active CL-CB may be a good cho... Read More about A survey on configurations of current-limiting circuit breakers (CL-CB).