1. College of Information and Electrical Engineering, China Agricultural University, Beijing, China
2. Power Distribution Operation Inspection, State Grid Jibei Electric Power Company Ltd., Tangshan, China
3. School of Mechanical and Electrical Engineering, China University of Mining and Technology—Beijing, Beijing, China
4. Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada
5. Guizhou Electric Power Research Institute, Guiyang, China