ALSTOM机组活动导叶抗磨块及拐臂磨损处理  

Practical Treatment of Excessive Wear on the Wicket Gate Wearing Sectors and Levers of ALSTOM Hydraulic Turbine

作　　者：刘连伟 冉毅川 

机构地区：[1]三峡电厂,湖北宜昌443000

出　　处：《大电机技术》2006年第5期51-54,共4页Large Electric Machine and Hydraulic Turbine

摘　　要：本文简要介绍了三峡左岸电站ALSTOM水轮机导水机构的结构以及导叶抗磨块在运行中超常磨损导致导叶下沉这一故障现象,并对该故障产生的原因进行了分析。同时阐述了相应的改进措施及具体处理方法。The structures of ALSTOM hydraulic turbine distributor in TGP Left Bank hydropower station are introduced. The fault phenomenon of gate sinking resulted from excessive wear of wicket gate wearing sectors in the operating is described, and the reason of such fault is analyzed. At the same time, corresponding improvement measures and practical treatment to resolve fault are illustrated detailedly.

关 键 词：导水机构 导叶下沉 抗磨块 磨损量 

分 类 号：TK730.324[交通运输工程—轮机工程]