1. Hubei Key Laboratory of Power Equipment and System Security for Integrated Energy, School of Electrical Engineering and Automation, Wuhan University, Wuhan, China
2. State Key Laboratory of Advanced Electromagnetic Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, China
3. Key Laboratory of High Density Electromagnetic Power and System, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing, China