分裂式变压器频率响应测试结果异常分析  

Abnormal Analysis of Frequency Response Test Results of Split Winding Transformer

作　　者：苏全 谢社新 张伟明 SU Quan;XIE Shexin;ZHANG Weiming(Guangzhou Yueneng Power Technology Development Co.,Ltd.,Guangzhou 510000,China)

机构地区：[1]广州粤能电力科技开发有限公司,广东广州510000

出　　处：《电工技术》2024年第23期186-189,共4页Electric Engineering

摘　　要：对一台SFF20-150000/110轴向双分裂绕组变压器频率响应测试结果异常进行了分析。通过对不同频段、不同状态下测得的变压器幅频响应特性曲线图谱进行对比,分析导致曲线一致性较差的原因包括内部无法消除的结构差异及外部测试因素影响等,并通过辅助检测手段和判断方法准确评估变压器内部绕组是否存在变形故障。This paper analyzes the abnormal frequency response test results of a SFF20-150000/110 axial double-split winding transformer.By comparing the amplitude-frequency response curve spectrum of transformer measured in different frequency bands and different states,the reasons for the poor consistency of the curves are analyzed,including the structural differences that can not be eliminated internally and the influence of external testing factors,etc.,and through the auxiliary detection means and methods to accurately evaluate the transformer internal winding whether there is deformation fault.

关 键 词：双分裂绕组 变压器 频率响应测量 绕组变形 

分 类 号：TM406[电气工程—电器]