1. Sichuan University,College of Electrical Engineering,Chengdu,China
2. Northwest Institute of Nuclear Technology,State Key Laboratory of Intense Pulsed Radiation Simulation and Effect,Xi’an,China
3. Extra High Voltage Power Transmission Company of CSG,High Voltage Technology Department,Guangzhou,China
4. State Grid Linyi power supply company STATE GRID Corporation of China,Linyi,China
5. State Grid Sichuan Electric Power Research Institute,STATE GRID Corporation of China,Chengdu,China