Research on Fault Types and Fault Segment Location of Self-feeding Cable

ZHANG Xiaoxin; DONG Lingbin; LIN Feng; WANG Yupeng

doi:10.13296/j.1001-1609.hva.2024.11.014

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Research on Fault Types and Fault Segment Location of Self-feeding Cable

Research & Analysis | 更新时间：2025-04-26

- Research on Fault Types and Fault Segment Location of Self-feeding Cable
- High Voltage Apparatus Vol. 60, Issue 11, Pages: 116-122(2024)
- 作者机构：
  
  沈阳航空航天大学电子信息工程学院，沈阳　 110136
- 作者简介：
- 基金信息：
  
  Key Research Project of Liaoning Provincial Department of Education(JYT19008)
- DOI：10.13296/j.1001-1609.hva.2024.11.014
  CLC：
- Received：13 May 2024，
  
  Revised：19 July 2024，
  
  Published：16 November 2024
- 稿件说明：
移动端阅览
ZHANG Xiaoxin, DONG Lingbin, LIN Feng, et al. Research on Fault Types and Fault Segment Location of Self-feeding Cable[J]. High voltage apparatus, 2024, 60(11): 116-122.
DOI：

ZHANG Xiaoxin, DONG Lingbin, LIN Feng, et al. Research on Fault Types and Fault Segment Location of Self-feeding Cable[J]. High voltage apparatus, 2024, 60(11): 116-122. DOI： 10.13296/j.1001-1609.hva.2024.11.014.

摘要

针对配电网电缆故障产生的机理，使用MATLAB/Simulink对配电网电缆的故障类型进行实验分析，得出故障类型的特征，通过这些特征判断电缆故障类型，并且定位故障发生的区间段。在电缆发生故障时，对故障信号采样分析，并将故障类型及模块地址通过NB-IoT上传至OneNET云平台。故障段电缆与无故障段电缆的电流变化不同，根据这个规律可以快速定位故障段。该系统采用线圈取电，解决了该装置实际应用的供电问题。结果表明，系统通过对故障信号的采集和处理，准确地判断故障类型和定位故障段，完成故障的在线监测和定位。

Abstract

As for the generating mechanism of fault of cable in distribution network

the fault type of cable in distribution network is experimentally analyzed by using MATLAB/Simulink and the characteristics of type of the fault is obtained. Through these characteristics

the type of fault of cable can be judged

and the fault section can be located. In case of fault of cable

the fault signal is sampled and analyzed and the type of fault and module address are uploaded to OneNET cloud platform through NB-IoT. The current variation in the fault section of cable is different from that in the healthy section of the cable

and the fault section can be located quickly in accordance with this rule. The system uses coil to get power

which solves the problem of power supply in practical application. The results show that the system can accurately judge the type of fault and locate the fault section by collecting and processing the fault signal

and complete the online monitoring and positioning of the fault.

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