一起500kV油浸纸绝缘套管油色谱数据异常原因分析  

Analysis of Abnormal Oil Chromatography of 500kV Oil Immersed Paper Insulation Bushing

作　　者：潘志城 周海滨 邓军 张晋寅 PAN Zhi-cheng;ZHOU Hai-bin;DENG Jun;ZHANG Jin-yin(Maintenance&Test Center of EHV Power Transmission Company,China Southern Power Grid,Guangzhou 510000,China)

机构地区：[1]中国南方电网有限责任公司超高压输电公司检修试验中心,广东广州510000

出　　处：《变压器》2020年第6期67-72,共6页Transformer

摘　　要：针对某500kV变压器高压侧500kV套管油色谱异常缺陷问题,从介电谱、套管主绝缘介损和电容量、局放试验以及解体检查等方面进行了试验和检查分析,找出了故障的原因,并提出了相应的防范措施。In view of the abnormal defect of 500kV bushing oil chromatography on the high voltage side of a 500kV transformer,the test and analysis are carried out from the aspects of dielectric spectrum,main insulation dielectric loss and capacitance of the bushing,partial discharge test and disintegration inspection.The cause of the failure is found,and the corresponding preventive measures are put forward.

关 键 词：500kV套管 油浸纸绝缘 油色谱 油浸渍不完全 局部放电 

分 类 号：TM407[电气工程—电器]