1. College of Electrical Engineering, Sichuan University,Chengdu,China
2. School of Automation, Hangzhou Dianzi University,Hangzhou,C
3. State Grid Sichuan Power Economic, Research Institute,Chengdu,China
4. State Grid Sichuan Electric Power Company, Technical Training Center, Sichuan Electric Power Vocational and Technical College,Chengdu,China
5. Sichuan New Electric Power System, Research Institute,Chengdu,China