文章编号: 1007�2284( 2007) 03�0069�03变压器局部放电在线监测技术分析刘海萍, 李正明( 江苏大学电气信息工程学院, 江苏 镇江 212013)� � 摘� 要: 阐述了变压器局部放电在线监测的原理、现状以及在线监测方案如何选择, 分析了变压器局部放电在线监测中的各种干扰及其抑制方法, 并提出了实际监测中分层式抑制干扰的模式, 探析了目前在线监测局部放电所存在的问题
� � 关键词: 变压器; 局部放电; 在线监测; 干扰抑制� � 中图分类号: TM 41 � � � 文献标识码: AAnalysis of On�line Monitoring Technique of Partial Discharge of Power TransformerLIU Hai�ping, LI Zheng�ming( School of Electrical and Information Engineering, Jiangsu Universit y, Zhenjiang 212013, Jiangsu Province)Abstract: In this paper the principle, actualities of on�line monitoring for partial discharge of power transformer are depicted
At thesame time, t he way to choose t he scenario of on�line monitoring is also depicted
Based on the analysis of various int erference in par�t ial discharge on� line monitoring of transformer