1. School of Automation, Hangzhou Dianzi University, Hangzhou, China
2. Electric Power Research Institute, China Southern Power Grid, Guangzhou, China
3. Electrical Engineering College, Guizhou University, Guiyang, China
4. College of Electrical and Information Engineering, Hunan University, Changsha, China
5. School of Mechatronic Systems Engineering, Simon Fraser University, Surrey, Canada
6. Electric Power Research Institute, State Grid Zhejiang, Hangzhou, China