水布垭水电厂4号机组下导摆度大的原因及处理

摘要

水布垭电厂4号机组在2013年C级检修中，通过调整下导瓦间隙对下导摆度大的问题进行了处理；着重介绍了4号机组下导摆度大的原因及处理过程。%In the level C overhauling of the No .4 generator set in Shuibuya hydropower station in 2013 , the problem of excessive swinging of the bottom guide is treated by adjusting the gap between the guide shoes .The causes for the exces-sive swinging are analyzed and the treatment procedure is presented .