同步发电机励磁绕组匝间短路故障在线分析方法综述  

A review on the on-line analysis of inter-turn short circuit faults in field winding of synchronous generators

作　　者：韩力[1] 欧先朋 高友[2] 周光厚[1,3] 

机构地区：[1]重庆大学输配电装备及系统安全与新技术国家重点实验室,重庆400044 [2]辽东学院实验中心,辽宁丹东118003 [3]东方电机有限公司研究试验中心,四川德阳618000

出　　处：《重庆大学学报（自然科学版）》2016年第1期25-31,共7页Journal of Chongqing University

基　　金：国家科技重大专项子课题(2012ZX06002-017-02)~~

摘　　要：励磁绕组匝间短路是同步发电机常见故障之一。为保证机组和电网的安全可靠运行,有必要对该故障进行在线分析检测。首先介绍了应用于同步发电机励磁绕组匝间短路故障在线分析的磁场-电流谐波分析法、探测线圈法、多回路法、输出电气量分析法、振动分析法等的研究现状,并对几种方法进行了比较,然后对未来在线分析方法的发展方向进行了展望,对输出电气量分析法提出了两条研究思路,最后说明了在线分析方法应具有实际可行性和多用途性。The inter-turn short circuit in field winding is one of the common faults of synchronous generators.To ensure the safe and reliable operation of the generator unit and the power grid,it is necessary to detect this kind of fault on-line.We firstly introduced the status quo of current research methods for the on-line detection of inter-turn short circuit faults in field winding of synchronous generators,including the magnetic-current harmonics analysis method,the probing coil method,the multiloop method,the output electrical parameter analysis method and the vibration analysis method.These methods and their diagnostic effects were discussed and compared.Then,two new ideas for the output electrical parameter analysis method were provided and the developing tendency of on-line detection methods was forecasted.Finally,it was pointed out on-line analysis method should be practical and multifunctional.

关 键 词：同步发电机 励磁绕组 匝间短路故障 在线分析 综述 

分 类 号：TM307[电气工程—电机]