1. Ph.D. Student, Institute of Hydropower and Hydroinformatics, Dalian Univ. of Technology, Dalian 116024, China.
2. Associate Professor, Institute of Hydropower and Hydroinformatics, Dalian Univ. of Technology, Dalian 116024, China.
3. Professor, Institute of Hydropower and Hydroinformatics, Dalian Univ. of Technology, Dalian 116024, China (corresponding author).
4. Researcher, Global Energy Interconnection Development and Cooperation Organization, No. 8 Xuanwumennei St., Beijing 100031, China.