Research Repository

See what's under the surface


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), doi:10.1109/TPEL.2017.2755767. ISSN 0885-8993

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

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), doi:10.3390/en10040495. ISSN 1996-1073

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

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

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

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

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. doi: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