描述了离心压缩机多失速团的旋转失速现象,对试验压缩机进行了振动特性测试,对不同的振动模型进行了分段分析,并指出了叶片激振造成叶片失效的危险性。 The rotating stall phenomenon of multi-stall group of centrifugal compressor is described. The vibration characteristics of the compressor are tested. The different vibration models are analyzed by section. The risk of vane failure caused by blade excitation is also pointed out.