1. College of New Energy, China University of Petroleum (East China), Qingdao, People’s Republic of China
2. State Grid Shandong Electric Power Research Institute, Jinan, People’s Republic of China
3. College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao, People’s Republic of China
4. Dalian Yishunlvse Technology Co., Ltd., Dalian, People’s Republic of China