[1]Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China;
[2]Key Laboratory of Renewable Energy, Chinese Academy of Sciences, Guangzhou 510640, China;
[3]Guangdong Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China;
[4]University of Chinese Academy of Sciences, Beijing 100049, China;
[1]Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China;
[2]Key Laboratory of Renewable Energy, Chinese Academy of Sciences, Guangzhou 510640, China;
[3]Guangdong Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China;
[1]Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China;
[2]Key Laboratory of Renewable Energy, Chinese Academy of Sciences, Guangzhou 510640, China;
[3]Guangdong Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China;
[1]Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China;
[2]Key Laboratory of Renewable Energy, Chinese Academy of Sciences, Guangzhou 510640, China;
[3]Guangdong Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China;
[4]University of Chinese Academy of Sciences, Beijing 100049, China;
rotary compressor; refrigerant injection; DC (direct current) inverter; heat pump; heating performance; injection pressure;