长甸电站二号机导叶空蚀原因分析及整形

Cause analysis on the cavitation on the guide vane and its reshaping at the turbine No.2 of Changdian hydropower station

太平湾发电厂长甸电站机组大修时发现了二号水轮机导叶空蚀,对空蚀的产生原因进行了现场勘察、全面分析,并针对该站导叶空蚀的具体原因提出了具体的处理方案,为减弱该站导叶空蚀程度提供了前提保证。

In the overhaul of the turbine No.2 of Changdian hydropower station,cavitation on the guide vane was found.In-site investigation and cause analysis were carried out,and treatment measures were put forward accordingly,which decreased the cavitation on the guide vane.