浙江电力

2014, v.33;No.222(10) 49-52

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半山发电厂7号燃气机组轴系异常振动分析与处理
Analysis and Treatment of Abnormal Shafting Vibration of 7# Gas-fired Generating Units in Banshan Power Plant

李卫军,吴文健,应光耀,蔡文方,马思聪
LI Weijun,WU Wenjian,YING Guangyao,CAI Wenfang,MA Sicong

摘要(Abstract):

半山发电厂7号单轴燃气—蒸汽联合循环机组在基建调试阶段出现了异常振动情况,通过试验分析,原因主要是低压转子碰摩、高中压转子不平衡及热瞬变等诱发轴系振动加大。详细介绍了7号燃气机组的振动特征、诊断方法和处理措施,为同类机组的故障分析提供参考。
Abnormal vibration happened in 7# single-shaft gas-stream combined cycle generating units in Banshan Power Plant during capital construction and commissioning. It is analyzed through test that large shafting vibration was mainly caused by rubbing of low-pressure rotors, unbalance of high-and-medium pressure rotors and thermal transient. This paper offers references for fault analysis of similar units by describing vibration features, diagnostic method and treatment measures.

关键词(KeyWords): 燃气机组;振动;碰摩;动不平衡;热瞬变
gas-fired generating units;vibration;rubbing;dynamic unbalance;thermal transient

Abstract:

Keywords:

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作者(Author): 李卫军,吴文健,应光耀,蔡文方,马思聪
LI Weijun,WU Wenjian,YING Guangyao,CAI Wenfang,MA Sicong

DOI: 10.19585/j.zjdl.2014.10.013

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