DETECTION OF PD SIGNAL WITH STRONG CARRIED WAVES DISTURBANCE IN POWER TRANSFORM ER BY DYADIC WAVELET TRANSFORM ATION

LI Xiang-fei; ZOU En; ZOU Li-hua

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DETECTION OF PD SIGNAL WITH STRONG CARRIED WAVES DISTURBANCE IN POWER TRANSFORM ER BY DYADIC WAVELET TRANSFORM ATION

更新时间：2025-04-26

- DETECTION OF PD SIGNAL WITH STRONG CARRIED WAVES DISTURBANCE IN POWER TRANSFORM ER BY DYADIC WAVELET TRANSFORM ATION
- High VoltageApparatus Issue 5, Pages: 24-26(2002)
- 作者机构：
  
  1. 株洲工学院电气工程系
  2. 株洲工学院电气工程系湖南株洲412008
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM405
- Published：2002
- 稿件说明：
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[1]李祥飞,邹恩,邹莉华.用二进小波变换分析变压器中含强载波干扰的局部放电[J].高压电器,2002(05):24-26.

LI Xiang-fei, ZOU En, ZOU Li-hua. DETECTION OF PD SIGNAL WITH STRONG CARRIED WAVES DISTURBANCE IN POWER TRANSFORM ER BY DYADIC WAVELET TRANSFORM ATION[J]. High voltageapparatus, 2002, (5): 24-26.
[1]李祥飞,邹恩,邹莉华.用二进小波变换分析变压器中含强载波干扰的局部放电[J].高压电器,2002(05):24-26. DOI：

LI Xiang-fei, ZOU En, ZOU Li-hua. DETECTION OF PD SIGNAL WITH STRONG CARRIED WAVES DISTURBANCE IN POWER TRANSFORM ER BY DYADIC WAVELET TRANSFORM ATION[J]. High voltageapparatus, 2002, (5): 24-26. DOI：

摘要

介绍了二进小波变换的基本原理及其滤波特征

采用二进小波函数对变压器中含强载波干扰的局放信号进行了小波变换。仿真结果表明

二进小波变换能消除强载波干扰

能准确地检测出局放脉冲信号的幅值及其发生的时刻。

Abstract

In this paper the wavelet transformation theory is simply introduced.The dyadic wavelet transformation is adopted for detect the partial discharge pulse in power transformer.Simulation results show that the wavelet transformation can eliminate the strong carried wave disturbances and detect the amplitude of the partial discharge as well as the time of its occurrence.

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Related Author

LI Xiangfei 1

ZOU Lihua 2

ZHANG Taishan 1

ZHANG Ke1

YU Xiao-peng1

WANG Yu-xue2

YUE Song

GAO Fei

Related Institution

Central South University

Institute of Technology Zhuzhou

株洲工学院电气工程系!湖南株洲412008

Henan Electric Power Research Institute

Xuchang Electric Power Bureau

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