Parallel Multiloop Transmission Line Travelling Wave Location Algorithm Based on Amending Wave Velocity

TIAN Bin; FANG Qinshaoyang; LI Zhenxing; LI Zhiwei; LIU Bo; GAO Peng

doi:10.13296/j.1001-1609.hva.2019.01.028

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Parallel Multiloop Transmission Line Travelling Wave Location Algorithm Based on Amending Wave Velocity

更新时间：2025-04-26

- Parallel Multiloop Transmission Line Travelling Wave Location Algorithm Based on Amending Wave Velocity
- High VoltageApparatus Vol. 55, Issue 1, Pages: 184-189(2019)
- 作者机构：
  
  1. 国网恩施供电公司
  2. 三峡大学电气与新能源学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.01.028
  CLC： TM75
- Published：2019
- 稿件说明：
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[1]田斌,方覃绍阳,李振兴,李志伟,刘波,高鹏.基于波速修正的多回输电线路行波测距算法[J].高压电器,2019,55(01):184-189.

TIAN Bin, FANG Qinshaoyang, LI Zhenxing, et al. Parallel Multiloop Transmission Line Travelling Wave Location Algorithm Based on Amending Wave Velocity[J]. High voltageapparatus, 2019, 55(1): 184-189.
[1]田斌,方覃绍阳,李振兴,李志伟,刘波,高鹏.基于波速修正的多回输电线路行波测距算法[J].高压电器,2019,55(01):184-189. DOI： 10.13296/j.1001-1609.hva.2019.01.028.

TIAN Bin, FANG Qinshaoyang, LI Zhenxing, et al. Parallel Multiloop Transmission Line Travelling Wave Location Algorithm Based on Amending Wave Velocity[J]. High voltageapparatus, 2019, 55(1): 184-189. DOI： 10.13296/j.1001-1609.hva.2019.01.028.

摘要

行波传输速度是影响行波测距精度的关键因素之一

输电线路上暂态行波速度的难以确定严重制约了行波测距精度。对此

文中从优化行波传输速度着手

提出一种多回输电线路行波故障精确测距方法。首先基于波速误差对输电线路行波测距精度的影响

分析了现存行波波速确定方法的优劣。进一步

基于同杆多回输电线路共用输电走廊的结构特点

在非故障线路上实时在线测量出行波速度

并将其应用于故障线路的精确行波测距计算中。理论分析和仿真数据均表明:此方法不受线路参数的影响

能有效克服环境因素给沿线波速带来的误差。使测距波速更加贴近于行波传输的实际速度。可在一定程度上提高行波测距精度。

Abstract

The measurement accuracy of traveling wave velocity is one of the main influence factors for travelingwave fault location. Starting from optimizing the traveling wave transmission speed

an accurate location method formultiloop transmission line is proposed in this paper. First

analyze the effect of wave velocity error to location accu-racy

and summarize the advantages and disadvantages of the classical methods of determining the wave velocity.Then

according to the structural characteristics of multi-loop transmission lines

the common transmission corridoris adopted

measurement the normal line velocity

used for fault line precision distance calculation. Both theoreticalanalysis and simulation indicate that the proposed method will not be affected by line parameters and environmental factors

at the same time can improve the fault location accuracy to a certain extent.

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Related Institution

School of Electrical Engineering,Wuhan University

Ningbo Institute of Technology, Zhejiang University

武汉大学电气工程学院湖北武汉430072

浙江宁波315104

Hubei Institute of Measurement and Testing Technology

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