1. Key Laboratory of Concentrating Solar Thermal Energy and Photovoltaic System, Chinese Academy of Sciences, Beijing 100190, China
2. Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
3. University of Chinese Academy of Sciences, Beijing 100049, China
4. Beijing Engineering Research Center of Concentrating Solar Thermal Power, Beijing 100190, China
5. North University of China, Taiyuan, Shanxi 030051, China