660 MW汽轮发电机转子绕组匝间短路隐患的诊断分析及改造方法  

Diagnosis Analysis and Transformation Method of the Inter-turn Short-circuit Hidden Trouble in Rotor Windings of a 660 MW Turbine Generator

作　　者：张勇杰 马强 张勇翔 ZHANG Yongjie;MA Qiang;ZHANG Yongxiang(Inner Mongolia Daihai Power Generation Co.,Ltd.,012000;Beijing Huake Tonghe Technology Co.,Ltd.,100045;Shougang Co.,Ltd.Qian'an Iron and Steel Company,064400)

机构地区：[1]内蒙古岱海发电有限责任公司,012000 [2]北京华科同和科技有限公司,100045 [3]首钢股份公司迁安钢铁公司,064400

出　　处：《电机技术》2024年第4期34-37,42,共5页Electrical Machinery Technology

摘　　要：某电厂660M W汽轮发电机在检修时发现转子匝间绝缘劣化迹象。结合相关试验数据和运行记录,判断该转子存在匝间短路隐患。同时根据制造厂家建议和机组深度调峰的需求,对该发电机转子进行灵活性改造。During the maintenance of a 660 MW turbine generator in a power plant,signs of deterioration of rotor inter-turn insulation are found.Combined with relevant test data and operation records,it is judged that the rotor has inter-turn short-circuit hidden trouble.In addition,according to the recommendations of the manufacturer and the demand for depth peaking of the unit,a flexibility transformation is performed on the generator rotor.

关 键 词：发电机转子 频域阻抗 绝缘 匝间短路 灵活性改造 

分 类 号：TM307[电气工程—电机]