一起核电500kV主变压器色谱异常故障原因分析  

Cause Analysis of Abnormal Chromatogram of 500kV Main Transformer in Nuclear Power Plant

作　　者：高超 冯玉辉 杨中卿 GAO Chao;FENG Yu-hui;YANG Zhong-qing(China General Nuclear Power Group China Nuclear Power Operations Co.,Ltd.,Shenzhen 518124,China;China General Nuclear Power Group Suzhou Thermal Research Institute Co.,Ltd.,Suzhou 215004,China;National Engineering Research Center for Nuclear Power Plant Safety&Reliability,Suzhou 215004,China)

机构地区：[1]中广核集团中广核核电运营有限公司,广东深圳518124 [2]中广核集团苏州热工研究院有限公司,江苏苏州215004 [3]国家核电厂安全及可靠性工程技术研究中心,江苏苏州215004

出　　处：《变压器》2023年第10期62-66,共5页Transformer

摘　　要：针对一起核电500KV主变压器油中色谱异常问题,通过变压器油中特征气体诊断方法及故障模式诊断,并结合多种试验手段进行变压器故障分析与定位,最终通过解体验证变压器内部低压绕组出线部位局部放电是导致色谱异常的根本原因。In response to a chromatographic anomaly in the oil of a 500KV nuclear power main transformer,the root cause of the transformer insulation oil chromatographic anomaly is ultimately identified through the diagnostic method of characteristic gases in transformer oil,combined with various experimental methods and fault mode analysis.

关 键 词：主变压器 色谱异常 绕组 

分 类 号：TM406[电气工程—电器]