1. Key Laboratory of Modern Power System Simulation and Control and Renewable Energy Technology, Ministry of Education, Northeast Electric Power University, Jilin, China
2. School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan, China
3. School of Electrical and Electronic Engineering, Nanyang Technological University, Jurong West, Singapore
4. Electrical and Computer Engineering Department, Illinois Institute of Technology, Chicago, IL, USA