In order to improve the annual energy efficiency(APF)of heat pump room air conditioner,the optimal design method of compressor adaptability is clarified through theoretical analysis and experimental verification.By reasonably controlling the tempera-ture of the compressor oil pool,the energy efficiency of the low temperature refrigeration-intermediate working condition of the air conditioner is increased by 2.9%,and the APF is increased by 5.3%,which meet the adaptability requirements of compressor systems.
room air conditionercompressorDC speed regulatingoil pool tempera-tureadaptability
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