Design of Test and Detection System for Partial Discharge under DC Voltage

SI Wen-rong; LI Jun-hao; YUAN Peng; HUANG Hai-po; GUO Hong; LI Yan-ming

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Design of Test and Detection System for Partial Discharge under DC Voltage

更新时间：2025-04-26

- Design of Test and Detection System for Partial Discharge under DC Voltage
- High VoltageApparatus Issue 4, Pages: 326-328(2008)
- 作者机构：
  
  西安交通大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM835.4
- Published：2008
- 稿件说明：
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[1]司文荣,李军浩,袁鹏,黄海波,郭宏,李彦明.直流下局部放电试验与测量系统设计[J].高压电器,2008(04):326-328.

SI Wen-rong, LI Jun-hao, YUAN Peng, et al. Design of Test and Detection System for Partial Discharge under DC Voltage[J]. High voltageapparatus, 2008, (4): 326-328.
[1]司文荣,李军浩,袁鹏,黄海波,郭宏,李彦明.直流下局部放电试验与测量系统设计[J].高压电器,2008(04):326-328. DOI：

SI Wen-rong, LI Jun-hao, YUAN Peng, et al. Design of Test and Detection System for Partial Discharge under DC Voltage[J]. High voltageapparatus, 2008, (4): 326-328. DOI：

摘要

笔者组建了一套直流下局部放电试验与测量系统

由放电脉冲波形超宽带测量系统和超高频信号测量系统组成。设计了6种油纸绝缘局放模型以模拟换流变压器的典型缺陷。直流下试验结果表明:缺陷模型放电稳定

相同条件下放电重复性好;测量系统可以准确检测到放电脉冲波形和超高频信号。为研究直流下局部放电脉冲单个波形、脉冲序列以及超高频信号在线监测等提供了试验研究平台。

Abstract

A test system with UWB and UHF detection technologies was developed to measure partial discharge under DC voltage.According to the analysis of defects in oil-paper insulation of converter transformer

six corresponding PD models were designed.The experimental results of PD detection under DC show that the system can exactly detect pulse current waves and UHF PD signals with good stability and repetitiveness under same condition.This research provides a good test platform for study on single pulse current wave

PD pulse sequence and on-line monitoring technology of UHF PD signals under DC voltage.

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