浙江电力

2017, v.36;No.249(01) 61-63

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某台600MW发电机突发振动故障诊断及处理
Diagnosis and Treatment on Abrupt Vibration of a 600 MW Generator

胡剑刚,周轶喆,应光耀,王崇如,李国明
HU Jiangang,ZHOU Yizhe,YING Guangyao,WANG Chongru,LI Guoming

摘要(Abstract):

某台阿尔斯通600 MW亚临界机组突发工频振动现象,通过振动特征分析、线路故障录波诊断为外部线路冲击引起的励磁机对轮错位,通过控制悬臂梁励磁机转子安装质量、加大对轮螺栓紧力和精细动平衡,最终消除了励磁机振动大的问题。
Power frequency vibration occurs abruptly on an Alstom 600 MW subcritical unit.By vibration characteristic analysis and line fault record,it is determined that the vibration is caused by displacement exciter shaft coupling due to external line impact.By installation quality control of cantilever exciter rotor,coupling bolt fastening and dynamic balance refinement,the fierce vibration of the exciter is eliminated.

关键词(KeyWords): 发电机;励磁机;工频突变振动;动平衡
generator;exciter;abrupt power-frequency vibration;dynamic balancing

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(51275452);; 国网浙江省电力公司科技项目(5211DS14005B)

作者(Author): 胡剑刚,周轶喆,应光耀,王崇如,李国明
HU Jiangang,ZHOU Yizhe,YING Guangyao,WANG Chongru,LI Guoming

DOI: 10.19585/j.zjdl.2017.01.016

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