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论述了聊城2号机组3000r/min稳定期间出现的机组异常振动,并根据振动特征正确诊断高压缸质量不平衡—高压第五级一叶片突然脱落的故障。
The abnormal vibration of the generating unit during the period of 3000r / min of Liaocheng Unit 2 is discussed. The unbalance of the high pressure cylinder is correctly diagnosed based on the vibration characteristics.