Biyang Liu received the B.S. degree in electrical engineering and automation from Southeast University, Nanjing, China, in 2017, and the M.S. degree in electrical power systems from University of Birmingham, Birmingham, UK, in 2018. He is currently pursuing Ph.D. degree in electrical engineering from Southeast University. His research interests include modeling and control of Modular Multilevel Converter (MMC) and its stability analysis, energy storage integration, flexible grounding system.