1. High Voltage Research Center China Electric Power Research Institute Beijing China
2. State Grid Corporation of China Beijing China
3. State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering Xi'an Jiaotong University Xi'an China
4. Electric Power Research Institute State Grid Anhui Electric Power Company Hefei China
5. School of Electrical and Electronic Engineering North China Electric Power University Beijing China
6. School of Electrical Engineering and Automation Hefei University of Technology Hefei China
7. Key Laboratory of Hubei Province on Lightning Risk Prevention of Power Grids Wuhan NARI Limited Liability Company Wuhan China