【摘要】 某台汽轮发电机组在运行中,在没有操作和没有先兆情况下,2号、3号瓦振动在几秒钟内突增,直至保护动作跳机,严重影响了机组安全运行。全面分析了机组不稳定振动的原因,检查结果为转子中心孔堵头脱落,制定了故障治理方案,并进行了治理,取得了很好效果。更多还原

【Abstract】 Without any operation and potential symptom, a sudden severe vibration fault occurred in No.2 and No.3 bearings of Turbo-generator unit, which caused the shut down of the unit.It influences the safe and reliable operation of unit. Vibration test results, fault analysis process and project to solve the problem are presented in detail in the paper.更多还原