Fault Location Method of Distribution Network Based on Amplitude Feature and Hausdorff Distance

Zhenxing LI; Pengfei WANG; Xin WANG; Hanli WENG; Yang GONG

doi:10.7500/AEPS20190123010

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Fault Location Method of Distribution Network Based on Amplitude Feature and Hausdorff Distance

Application Research | 更新时间：2025-06-16

- Fault Location Method of Distribution Network Based on Amplitude Feature and Hausdorff Distance
- Automation of Electric Power Systems Vol. 44, Issue 7, Pages: 169-177(2020)
- 作者机构：
  
  1. 三峡大学电气与新能源学院，湖北省宜昌市 443002
  2. 梯级水电站运行与控制湖北省重点实验室（三峡大学），湖北省宜昌市 443002
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China;Science and Technology Research Program of Hubei Provincial Education Department Fund
- DOI：10.7500/AEPS20190123010
  CLC：
- Received：23 January 2019，
  
  Revised：2019-09-04，
  
  Published Online：26 February 2020，
  
  Published：10 April 2020
- 稿件说明：
移动端阅览
李振兴,王朋飞,王新等.基于幅值特征和Hausdorff距离的配电网故障定位方法[J].电力系统自动化,2020,44(7):169-177.

LI Zhenxing,WANG Pengfei,WANG Xin,et al.Fault Location Method of Distribution Network Based on Amplitude Feature and Hausdorff Distance[J].Automation of Electric Power Systems,2020,44(7):169-177.
李振兴,王朋飞,王新等.基于幅值特征和Hausdorff距离的配电网故障定位方法[J].电力系统自动化,2020,44(7):169-177. DOI： 10.7500/AEPS20190123010.

LI Zhenxing,WANG Pengfei,WANG Xin,et al.Fault Location Method of Distribution Network Based on Amplitude Feature and Hausdorff Distance[J].Automation of Electric Power Systems,2020,44(7):169-177. DOI： 10.7500/AEPS20190123010.

摘要

为了消除单相接地故障下配电网区段定位受系统中性点接地方式、不同过渡电阻以及线性相关法定位盲区等因素对定位准确性的影响，提出一种幅值特征下基于Hausdorff距离算法的故障区段定位方法。首先，分析了零序电流暂态分量故障特征，明确健全区段、故障区段两端零序电流暂态分量幅值特征的关系。其次，引入Hausdorff距离算法，测算馈线区段两端零序电流暂态分量幅值特征匹配度，进一步通过与设定阈值的比较，可以有效区分出故障区段。仿真验证结果表明，所提方法无定位盲区，在不同系统接地方式、不同接地过渡电阻下均能够准确定位故障区段。

Abstract

In order to eliminate the influence of neutral grounding modes

transition resistance and the blind spot of linear correlation method on the location accuracy

when the single-phase grounding fault occurs in the system

a fault location method based on amplitude feature and Hausdorff distance algorithm is proposed. Firstly

the fault feature of zero-sequence current transient components are analyzed

and the relationship between the amplitude characteristics of zero-sequence current transient components at both ends of the section is summarized. Secondly

the amplitude feature matching degree of the zero-sequence current transient components at both ends of the feeder section is measured by introducing the Hausdorff distance algorithm

and the fault section can be effectively distinguished by comparing with the set threshold. Finally

the simulation rusults verify that the proposed method has no location blind zone

and the fault zone can be accurately located in different system grounding modes and different grounding transition resistances.

关键词

Keywords

references

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