Comprehensive Application of High Frequency And Damped AC Technology In Cable Partial Discharge Location

LI Xu; ZHU Mingzheng; LI Ji; MENG Zhengzheng; YU Yang

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Comprehensive Application of High Frequency And Damped AC Technology In Cable Partial Discharge Location

更新时间：2025-04-27

- Comprehensive Application of High Frequency And Damped AC Technology In Cable Partial Discharge Location
- Vol. 40, Issue 1, Pages: 42-45(2021)
- 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
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM855
- Published：2021
- 稿件说明：
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[1]李旭,朱明正,李季,孟峥峥,于洋.高频与振荡波检测技术在电缆局部放电定位中的综合应用[J].河北电力技术,2021,40(01):42-45.

LI Xu, ZHU Mingzheng, LI Ji, et al. Comprehensive Application of High Frequency And Damped AC Technology In Cable Partial Discharge Location[J]. 2021, 40(1): 42-45.
[1]李旭,朱明正,李季,孟峥峥,于洋.高频与振荡波检测技术在电缆局部放电定位中的综合应用[J].河北电力技术,2021,40(01):42-45. DOI：

LI Xu, ZHU Mingzheng, LI Ji, et al. Comprehensive Application of High Frequency And Damped AC Technology In Cable Partial Discharge Location[J]. 2021, 40(1): 42-45. DOI：

摘要

电力电缆作为大型城市电网中的联络枢纽

为城市发展发挥了重要作用

但由于设备质量、安装工艺等原因

造成的电缆附件故障时有发生。结合一起现场测试案例

通过应用高频与振荡波2种局部放电检测技术

介绍一起35kV电缆中间接头局部放电缺陷的定位与诊断分析过程

并分析局部放电信号的图谱特征

对后期现场测试提出建议。

Abstract

As the connection hub of large-scale urban power grid

power cable plays an important role in urban development.However

due to the equipment quality

installation process and other reasons

cable accessories failure occurs from time to time.In this paper

combined with a test case

through the comprehensive use of high frequency and damped AC PD detection technology

the positioning and diagnosis analysis process of PD defects in a cable joint of 35 kV cable is introduced

and the spectral characteristics of PD signals are analyzed

and suggestions for later test are put forward.

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