一例汽轮发电机运行中定子线圈接地故障案例分析

Case Analysis of the Stator Coil Earth Fault for a Steam Turbine in Generating Operation

本文对一例发电机运行中定子铁心松动、断齿因摩擦引起定子线圈接地故障进行分析,结合现场检查情况分析铁心松动原因,给出铁心松动的处理方法并得出具有针对性的建议措施。

This Paper analyzes a case of stator core loosening in the operation of a generator and stator coil ground⁃ing fault caused by friction in the operation of broken teeth,analyzes the cause of core loosening in combination with the field inspection,gives the treatment method of core loosening and draws out targeted measures.