1. State Grid Hubei Electric Power Research Institute Wuhan Hubei Province China
2. School of Electric and Information Engineering Zhengzhou University Zhengzhou Henan Province China
3. State Grid Hubei Electric Power Co., Ltd. Wuhan Hubei Province China
4. State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering Huazhong University of Science and Technology (HUST) Wuhan Hubei Province China