1. State Grid Chongqing Electric Power Research Institute,Chongqing Key Laboratory of Source-Network-Load-Storge Operation and Testing,Chongqing,China
2. Chongqing Key Laboratory of Source-Network-Load-Storge Operation and Testing,Chongqing,China
3. Chongqing University,State Key Laboratory of Power Transmission Equipment Technology,Chongqing,China