溪洛渡某型机组定子绕组端部电晕分析与处理  

Analysis and Treatment of Corona at the End of Stator Windings in a Certain Type of Hydroelectric Unit in Xiluodu Hydropower Station

作　　者：成佳 敖帮杰 邓海刚 CHENG Jia;AO Bangjie;DENG Haigang(China Yangtze Power Co.,Ltd.,Yichang 443002,China)

机构地区：[1]中国长江电力股份有限公司,湖北宜昌443002

出　　处：《水电与新能源》2025年第2期62-65,85,共5页Hydropower and New Energy

摘　　要：发电机组定子绕组端部电晕威胁到机组与电力系统的安全运行。基于对溪洛渡某型机组定子绕组端部电晕特点及原因的分析,提出了定子端部电晕处理工艺流程,详细论述了处理方法与注意事项。结果表明所提方法有效性,可供类似检修时借鉴。Corona occurred at the end of the stator windings in generator units affects the safe operation of the units and the power system.Analysis is carried out on the characteristics and causes of the corona occurred at the end of the stator windings in a certain type of hydroelectric unit in Xiluodu Hydropower Station.The treatment process of the corona problem is proposed.The treatment methods and precaution issues are discussed in detail.The results show that the proposed method is effective,which provides useful reference for similar maintenance work.

关 键 词：发电机 定子绕组端部 电晕 工艺方法与注意事项 

分 类 号：TM312[电气工程—电机]