Affiliation: | 1. School of Electrical Engineering, University of Jinan, Jinan 250022, P. R. China;7. School of Instrumentation Science and Opto-electronics Engineering, Beihang University, Beijing 100191, P. R. China;1. School of Electrical and Electronic Engineering, Shandong University of Technology, Zibo 255000, Shandong, PR China;2. Department of Electrical Engineering, Yeungnam University, 280 Daehak-Ro, Kyongsan 38541, Republic of Korea;3. Development Research Center, China Datang Corporation Renewable Energy Science and Technology Research Institute, Beijing 100040, PR China |