1. State Grid Shandong Electric Power Research Institute, Jinan, China
2. College of Energy Engineering, Zhejiang University, Hangzhou, China
3. College of Energy and Power Engineering, Shandong University, Jinan, China
4. College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao, China
5. Dalian Yishunlvse Technology Co., Ltd, Dalian, China