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【摘要】 针对空调系统的实际运行工况,对于离心式制冷压缩机喘振产生的原因进行了深入分析,并且提出了用于中央空调的离心式制冷压缩机的最实用的三种防止喘振措施,对离心式制冷压缩机组的运行达到了较好的防止喘振和节能效果。 【Abstract】 For the actual operating Air-conditioning system, we analyze causes of centrifugal refrigerating compressor surge. And present three most practical measures, which is used for central air-conditioning, to prevent the surge of centrifugal refrigerating compressor. It has better prevention and energy-saving effects of surge. 【关键词】 离心式制冷机组; 喘振; 变频驱动; 冷凝压力 【Key words】 centrifugal refrigeration compressor; surge; variable frequency drives; condensing pressure