一起220 kV主变重瓦斯跳闸故障诊断分析  

Diagnostic Analysis of A Heavy Gas Tripping Fault of 220 kV Main Transformer

作　　者：杨小华 周雪东 YANG Xiaohua;ZHOU Xuedong(Zhongshan Power Supply Bureau,Guangdong Electric Power Grid Company,Zhongshan 528400,China)

机构地区：[1]广东电网公司中山供电局,广东中山528400

出　　处：《通信电源技术》2023年第21期257-259,共3页Telecom Power Technology

摘　　要：主要分析处理了一起由套管密封胶圈密封不良,潮气入侵变压器内部引起变压器重瓦斯跳闸故障。详细介绍了故障发现的过程、试验数据及处理方法,利用多种方法分析判断故障原因,最后对变压器的绝缘监督和运维提出了针对性建议。The article mainly analyzes and handles a transformer heavy gas tripping fault caused by poor sealing of casing sealing ring and moisture invasion inside the transformer.The fault discovery process,test data and processing methods are introduced in detail,methods are used to analyze and determine the cause of the failure.Finaly,specific suggestions for transformer insulation supervision and operation and maintenance are put forward.

关 键 词：变压器 重瓦斯 跳闸 故障诊断 

分 类 号：TM63[电气工程—电力系统及自动化]