特高压并联电抗器油色谱异常故障分析和运维建议  

Abnormal Fault Analysis of Oil Chromatogram and Suggestions for Operation and Maintenance of UHV Shunt Reactor

作　　者：肖佳朋 曾香平 杨洋 熊舟 刘晓波 曹景亮 XIAO Jiapeng;ZENG Xiangping;YANG Yang;XIONG Zhou;LIU Xiaobo;CAO Jingliang(Ultra High Voltage Substation Company,State Grid Hunan Electric Power Co.,Ltd.,Changsha 410004,China;Substation Intelligent Operation and Inspection Laboratory of State Grid Hunan Electric Power Co.,Ltd.,Changsha 410004,China)

机构地区：[1]国网湖南省电力有限公司超高压变电公司,湖南长沙410004 [2]变电智能运检国网湖南省电力有限公司实验室,湖南长沙410004

出　　处：《变压器》2025年第2期58-65,共8页Transformer

基　　金：国网湖南超高压变电公司技术革新项目(B116A324001S-10)。

摘　　要：本文中作者总结了近年来1000kV特高压并联电抗器(高抗)、主变故障,并对一起1000kV油浸式铁心高抗运行中油色谱异常故障进行分析。综合应用油色谱在线监测与油色谱离线检测、超声局放在线监测方法确定故障位置,判断故障类型为高能电弧放电,然后通过高抗解体检查验证相应的分析结果。最后结合电场仿真初步推断了故障原因,总结了高抗油色谱异常处置策略中的改进措施,根据本次故障分析提出了油浸式高抗运维建议。In recent years,the faults of the 1000kV UHV shunt reactor and main transformer are summarized by the authors in this paper,and an abnormal fault of oil chromatography in the operation of a 1000kV oil-immersed core UHV shunt reactor is analyzed.The fault location is determined by comprehensive application of oil chromatography on-line monitoring,oil chromatogram off-line detection and ultrasonic partial discharge on-line monitoring,the fault type is identified as high-energy arc discharge,then the corresponding analysis results are verified by UHV shunt reactor disassembly inspection.Finally,based on the electric field simulation,the cause of the fault is inferred.The improvement measures in the oil chromatographic abnormal disposal strategy of UHV shunt reactor are summarized,and the operation and maintenance suggestions of oil-immersed UHV shunt reactor are put forward according to the fault analysis.

关 键 词：特高压并联电抗器 油色谱 故障分析 运维 

分 类 号：TM406[电气工程—电器]