1. Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, School of Chemical and Environmental Engineering; Jianghan University; Wuhan P. R. China
2. State Grid Hegang Electric Power Supply Company; Hegang P. R. China
3. State Grid Electric Power Research Institute; Wuhan P. R. China
4. State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering; Huazhong University of Science and Technology; Wuhan P. R. China