State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power Univer-sity, Beijing 102206, China;
State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power Univer-sity, Beijing 102206, China;
State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power Univer-sity, Beijing 102206, China;
School of Information Science and Electrical Engineering, Shandong Jiaotong University, Jinan 250357, China;