1. Department of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin, Heilongjiang, China
2. Key Laboratory of Modern Power System Simulation and Control & Renewable Energy Technology (Northeast Electric Power University), Ministry of Education, Jilin, China
3. Center for Energy Research, Department of Mechanical and Aerospace Engineering, University of California, San Diego, CA, USA
4. Clean Power Research, Napa, CA, USA
5. Atmospheric Sciences Research Center, University at Albany, SUNY, Albany, NY, USA
6. Department of Electrical and Computer Engineering, National University of Singapore, Singapore