摘要
分析了变压器局部放电在线监测中的各种干扰 ,提出了分层式抑制干扰的处理模型 ,采用不同的数字信号处理方法分层处理各种干扰 ,具有结构灵活、易于扩充等特点。现场实验结果表明 ,该模型可有效、快速地抑制干扰 。
Based on the analysis of various interference in partial discharge PD on- line monitoring,the paper puts forward a multi- layer synthetic handling model which adopts different digital signal processing technique for suppressing different interference.The model has flexible structure and can be easily expanded.The on- site test results show its strong ability of suppressing interference and potential practical applications.
出处
《电力系统自动化》
EI
CSCD
北大核心
2000年第21期49-51,共3页
Automation of Electric Power Systems
关键词
局部放电
在线监测
抗干扰
电力变压器
partial discharge PD
on- line monitoring
digital signal procession
