Comparative Analysis of Oscillating Wave Induced Partial Discharge Defects in Two 35 kV Cable Joints with Different Processes

LI Xu; XI Xiaoguang; ZHU Mingzheng; MENG Zhengzheng; FANG Jing; XUE Chao; WANG Wei

doi:10.13296/j.1001-1609.hva.2018.11.038

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Comparative Analysis of Oscillating Wave Induced Partial Discharge Defects in Two 35 kV Cable Joints with Different Processes

更新时间：2025-04-26

- Comparative Analysis of Oscillating Wave Induced Partial Discharge Defects in Two 35 kV Cable Joints with Different Processes
- High VoltageApparatus Vol. 54, Issue 11, Pages: 260-264+272(2018)
- 作者机构：
  
  1. 国网天津市电力公司电力科学研究院
  2. 国网天津市电力公司城西供电分公司
  3. 国网天津市电力公司城南供电分公司
  4. 华北电力大学
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.11.038
  CLC： TM855
- Published：2018
- 稿件说明：
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[1]李旭,郗晓光,朱明正,孟峥峥,方静,薛超,王伟.两起不同工艺35 kV电缆中间接头振荡波局部放电缺陷对比分析[J].高压电器,2018,54(11):260-264+272.

LI Xu, XI Xiaoguang, ZHU Mingzheng, et al. Comparative Analysis of Oscillating Wave Induced Partial Discharge Defects in Two 35 kV Cable Joints with Different Processes[J]. High voltageapparatus, 2018, 54(11): 260-264+272.
[1]李旭,郗晓光,朱明正,孟峥峥,方静,薛超,王伟.两起不同工艺35 kV电缆中间接头振荡波局部放电缺陷对比分析[J].高压电器,2018,54(11):260-264+272. DOI： 10.13296/j.1001-1609.hva.2018.11.038.

LI Xu, XI Xiaoguang, ZHU Mingzheng, et al. Comparative Analysis of Oscillating Wave Induced Partial Discharge Defects in Two 35 kV Cable Joints with Different Processes[J]. High voltageapparatus, 2018, 54(11): 260-264+272. DOI： 10.13296/j.1001-1609.hva.2018.11.038.

摘要

在大型城市的配电网中

电力电缆的广泛应用为城市电网发展发挥了重要作用。文中介绍了配网电缆振荡波局放检测技术的应用现状及基本原理

并结合2017年全运会保电期间检测发现的缺陷

选取两起不同工艺35 kV电缆中间接头局放缺陷实例

对其局放产生原因、局放起始电压、局放量等展开对比分析

发现接头工艺对局放类型及局放各项参数具有明显影响

为振荡波局部放电检测技术的推广应用、缺陷状态的科学评估提供了参考。

Abstract

In the distribution grid of large cities

the wide application of power cables plays an important role in the development of urban power grids. This paper introduces the application and basic principle of the detection technol-ogy of partial discharge due to oscillating wave in city distribution network cable

and selects two partial discharge de-fects in 35 kV cable joints with different processes for examples. The causes of partial discharge

partial discharge ini-tial voltages

and partial discharge capacities are comparatively analyzed. It is found that the process has obvious in-fluences on the type of partial discharge and the parameters of the partial discharge. This study may provide a refer-ence for promotion and application of the partial discharge detection technology and scientific evaluation of partial discharge defect state.

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