600 MW汽轮发电机定子接地故障分析与处理  

Analysis and Treatment of Stator Grounding Faults in 600 MW Steam Turbo-generator

作　　者：隆朝花 LONG Zhaohua(Huadian Electric Power Research Institute Co.,Ltd.,Hangzhou 310030)

机构地区：[1]华电电力科学研究院有限公司,浙江杭州310030

出　　处：《电力安全技术》2024年第12期50-53,共4页Electric Safety Technology

摘　　要：通过对某火电厂发电机定子接地故障发生经过进行分析研究,查找故障发生原因,得出此次发电机定子绝缘故障是由过渡引线螺栓紧固不良和散热不良引起,同时指出了运维中存在的问题,并提出了防范措施及建议,可为解决发电机同类问题提供参考。By analyzing the stator grounding faults of turbo-generators in a thermal power plant to search fault causes with the findings that the generator stator insulation faults are caused by the poor fastening and cooling of transition lead bolts.Meanwhile,the problems existing in operation and maintenance are pointed out,and the preventive measures and suggestions are put forward,which is available for reference in handling similar problems of the generators.

关 键 词：汽轮发电机 接地故障 绝缘 定子接地保护 

分 类 号：TM311[电气工程—电机]