Experimental study on refrigeration performance for an electric vehicle compressor with R290

Jianhong Chen, Jiani Zhang, Yue Ding, Leren Tao, Xiaofei Wang, Xingjiang Li, Zhipan Gu, Xiaojun Yuan and Lihao Huang

International Journal of Low-Carbon Technologies, 2025, vol. 20, 1476-1487

Abstract: A performance testing setup for an R290 compressor refrigeration system in electric vehicles was constructed to study the effects of variable compressor speed, evaporation temperature, condensation temperature, and oil circulation rate (OCR) on compressor performance, as well as the impact of system parameters on the OCR. The results show that the coefficient of performance (COP) and isentropic efficiency increase with rising compressor speed and evaporation temperature but are negatively correlated with condensation temperature. Under the same conditions, the R290 compressor has high power consumption, but its cooling capacity and COP are better than R134a, and it has a smaller charge amount and lower discharge temperature.

Keywords: R290; electric vehicle compressor; system performance; compressor speed; oil circulation rate (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:oup:ijlctc:v:20:y:2025:i::p:1476-1487.

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