Characteristics of Surface Partial Discharge on Joint of Insulated Copper Busbar

ZHANG Liang; LI Jun-hao; TAN Jia-yong; HU Xiao-meng; LI Yan-ming; TAN Zi-rong

doi:10.13296/j.1001-1609.hva.2013.11.017

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Characteristics of Surface Partial Discharge on Joint of Insulated Copper Busbar

更新时间：2025-04-26

- Characteristics of Surface Partial Discharge on Joint of Insulated Copper Busbar
- High VoltageApparatus Vol. 49, Issue 11, Pages: 94-98(2013)
- 作者机构：
  
  1. 西安交通大学电气工程学院
  2. 广东电网公司佛山供电局
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.11.017
  CLC： TM835
- Published：2013
- 稿件说明：
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[1]张亮,李军浩,谭家勇,胡晓萌,李彦明,谭梓荣.绝缘铜管母线接头处沿面局部放电特性研究[J].高压电器,2013,49(11):94-98.

ZHANG Liang, LI Jun-hao, TAN Jia-yong, et al. Characteristics of Surface Partial Discharge on Joint of Insulated Copper Busbar[J]. High voltageapparatus, 2013, 49(11): 94-98.
[1]张亮,李军浩,谭家勇,胡晓萌,李彦明,谭梓荣.绝缘铜管母线接头处沿面局部放电特性研究[J].高压电器,2013,49(11):94-98. DOI： 10.13296/j.1001-1609.hva.2013.11.017.

ZHANG Liang, LI Jun-hao, TAN Jia-yong, et al. Characteristics of Surface Partial Discharge on Joint of Insulated Copper Busbar[J]. High voltageapparatus, 2013, 49(11): 94-98. DOI： 10.13296/j.1001-1609.hva.2013.11.017.

摘要

绝缘铜管母线是近年来电网中应用较为广泛的一种新型电力设备

其接头是该类设备易于出现故障的部位

笔者针对该种设备易于出现放电的接头处沿面放电进行了研究。在实验室构建了绝缘铜管母线接头处沿面放电模型

研究了放电点距离接地屏不同距离时的放电起始电压、放电谱图特征

结果表明

当放电点靠近接地屏时

放电起始电压低

放电幅值小

放电谱图正负半周呈现对称现象。研究结果为绝缘铜管母线接头处沿面放电的早期检测提供了试验基础。

Abstract

Insulated copper busbar is widely used in power grid in recent years. However

surface partial discharge often happens on its joint. In this paper

the characteristics of the surface partial discharge on the joint are studied.A surface discharge model of the insulated copper busbar joint is constructed in laboratory. The initial discharge voltage and the features of discharge spectrum for different distances between discharge point and earthing panel are investigated with the model. The results show that the initial voltage and amplitude are low and the discharge spectrum is symmetrical when the discharge point is close to the earthing panel. This study may provide a basis for early detection of surface discharge on insulated copper busbar joints.

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