CAJ | 학술논문

局部放电与高压电气设备内部的绝缘有着紧密的联系，而局部放电检测技术已成为电气设备绝缘故障诊断的有效方法。近年来，利用小波变换分析局部放电信号技术越来越受到相关技术人员的重视，并且取得了飞快的发展。本文对小波分析阀值法做了相应改进，并用改进后的算法对信号滤波效果进行了仿真，取得了较好的效果。
국부방전여고압전기설비내부적절연유착긴밀적련계，이국부방전검측기술이성위전기설비절연고장진단적유효방법。근년래，이용소파변환분석국부방전신호기술월래월수도상관기술인원적중시，병차취득료비쾌적발전。본문대소파분석벌치법주료상응개진，병용개진후적산법대신호려파효과진행료방진，취득료교호적효과。
There is close relation between partial discharge and the internal insulation of high voltage electrical equipment,while partial discharge detection technology has become an effective method for insulation fault diagnosis of electrical equipment.In recent years,partial discharge signal analysis technology with wavelet more and more relevant technical personnel’s attention,and have a rapid development.This paper improves the wavelet threshold method,and make simulation for signal filtering effect with the improved algorithm,while that achieve good result.