Zheng XU received his B.S., M.S., and Ph.D. degrees in electrical engineering from Zhejiang University, Zhejiang, China, in 1983, 1986, and 1993, respectively. He has been with the Department of Electrical Engineering, Zhejiang University, Zhejiang, China, since 1986 and has been Professor there since 1998. His research areas include HVDC transmission, power system dynamics, and grid integration of renewable energy. He is Fellow of IEEE for his contributions to control and modeling of MMC-based HVDC transmission systems.
Huangqing XIAO received the B.S. and Ph.D. degrees in electrical engineering from Zhejiang University, Hangzhou, China, in 2013 and 2018, respectively. He is currently Associate Professor with the School of Electric Power Engineering, South China University of Technology, Guangzhou, China. From 2018 to 2020, he was Research Associate with the Department of Electrical Engineering and Computer Science, University of Tennessee, Knoxville, TN, USA. His research interests include renewable power integration, high-voltage direct current (HVDC) transmission, and DC circuit breaker.
Zheren ZHANG received the B.S. and Ph.D. degrees in electrical engineering from Zhejiang University, Hangzhou, China, in 2011 and 2016, respectively. He is currently Research Associate Professor with the Department of Electrical Engineering, Zhejiang University, Zhejiang, China. His research areas include HVDC, flexible ac transmission systems, and grid integration of renewable energy.