State Key Lab of Power Systems;
International Joint Laboratory on Low Carbon Clean Energy Innovation;
Department of Energy and Power Engineering;
Tsinghua University;
Beijing 100084;
People’s Republic o f China;
School of Mechanical Engineering;
Gwangju Institute of Science and Technology;
Gwangju 61005;
Republic of Korea;
Graduate School of Technology;
Industrial and Social Sciences;
Tokushima University;
Tokushima 770-8501;
Japan;
