1. Anhui University,Anhui Provincial Collaborative Innovation Center for Industrial Power Saving and Electric Energy Quality Control School of Electrical Engineering and Automation,Hefei,China,230601
2. Anhui University,School of Electrical Engineering and Automation,Hefei,China,230601
3. Anhui Provincial Collaborative Innovation Center for Industrial Power Saving and Electric Energy Quality Control,HeFei,China
4. State Grid Anhui Electric Power Co., Ltd. Electric Power Research Institute,HeFei,China