一起220kV电压互感器内部放电部位试验查找
An Analysis through Test on Internal Discharge Positions of 220kV Potential Transformer
叶文勉 1张胜 1李佳 1王东1
作者信息
摘要
220kVI段母线c相电压互感器发出电压异常信号，出现二次电压下降故障，通过解体分析，并采用相应的试验方法，查找出内部放电故障部位。
Abstract
The potential transformer of phase C of section I of 220kV bus sent out an abnormal voltage signal with fault of the secondary voltage falling. Based on the disassembly check and adopting the corresponding test method, the internal fault discharge position was found out.
关键词
电压互感器二次电压下降/油色谱试验分析/解体试验分析/一次绕组放电Key words
abnormal voltage drop of potential transformer/oil Chromatographic analysis/disassembly check/discharge of primary winding引用本文复制引用
出版年
2012
NETL
NSTL
万方数据