ISSN 2196-5625 CN 32-1884/TK
1.College of Electrical Engineering, Sichuan University, Chengdu 610065, China;2.State Grid Ningxia Electric Power Eco-Tech Research Institute, Yinchuan 750004, China;3.State Grid Hongguozi Power Supply Company, Shizuishan 753204, China
This work was supported by National Natural Science Foundation of China (No. 51807127).
