机组稳定性在线监测与诊断系统在龙羊峡水电站的应用

Application of Unit Stability's Online Monitoring and Diagnosis System in Longyangxia Hydropower Station

水轮发电机组在运行中由于水力、机械和电气等方面的原因存在着不同程度的振动。强烈的振动将导致水轮发电机组结构破坏 ,大大降低运行效率 ,同时也会引起水工建筑物的振动及各种电气仪表的正常运行和使用。文章针对这一现象阐述了通过稳定性在线监测与诊断系统及时准确地对各种异常或故障作出分析与诊断的方法 。

The structure and some part of water turbo generator unit may be emerged vibration because the aspect of hydropower and electricity etc.in the operation.The Strong vibration will cause damage on water generator,and reduce operational efficiency;also arouse the vibration of water work construction synchronously.Strong vibration also influences some electric meter's normal running and using.The stability online monitoring and diagnosis system can diagnose each kind of abnormality or failure on time,and to proceed the necessary guidance to the running of equipment;also to supervise reliability and security of equipment running.