1. State Key Laboratory of Advanced Electromagnetic Engineering and TechnologySchool of Electrical and Electronic EngineeringHuazhong University of Science and TechnologyWuhan430074People's Republic of China
2. Electric Power Research InstituteGuangdong Power Grid CorporationGuangzhou510080People's Republic of China
3. Research and Development DepartmentShenzhen Sinexcel Electric Co., LtdShenzhen518108People's Republic of China