龚嘴水电站1号机组滑环摆度偏大原因分析及处理措施

Causes and Treatment of Excessive Swinging of the Slip Ring in No.1 Generator Unit in Gongzui Hydropower Station

鉴于龚嘴水电站7台水轮发电机组增容改造时因励磁机结构形式发生改变,导致该电站7台机组运行过程中滑环摆度均偏大,以1号机组为例,分析了机组增容改造后出现滑环摆度偏大的原因及解决方案,可作为相关电站类似问题处理时借鉴。

Excessive swinging of the slip rings in generator units in Gongzui Hydropower station are observed after the modification of the exciter structure in the capacity expansion upgrading .Possible causes for the excessive swinging are analyzed and treatment measures are presented , which could provide useful reference for other hydropower stations with similar problems .