ISSN 2196-5625 CN 32-1884/TK
Peng LI
School of Electrical and Electronic Engineering, North China Electric Power University, Baoding 071003, ChinaMiaomiao ZHENG
School of Electrical and Electronic Engineering, North China Electric Power University, Baoding 071003, China1 School of Electrical and Electronic Engineering, North China Electric Power University, Baoding 071003, China
This work was supported by the National Natural Science Foundation of China (No. 51577068) and the National High Technology Research and Development Program of China (863 Program) (No. 2015AA050104).