基于组合行波测距原理的T型线路测距方法

doi:10.6040/j.issn.1672-3961.0.2016.294

山东大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (1): 117-123.doi: 10.6040/j.issn.1672-3961.0.2016.294

基于组合行波测距原理的T型线路测距方法

邵健¹,魏佩瑜¹,陈平¹,梁凤强²,孟超³

1. 山东理工大学电气与电子工程学院, 山东淄博 255049; 2. 临沂供电公司, 山东临沂 276003;3. 临沂正信工程勘察设计有限公司, 山东临沂 276005

收稿日期:2016-07-28 出版日期:2018-02-20 发布日期:2016-07-28
作者简介:邵健(1991— ), 男, 山东临沂人, 硕士研究生, 主要研究方向为电力系统继电保护研究. E-mail: 1531301660@ qq. com

A traveling wave fault location method for T-type transmission line based on combined traveling wave principle

SHAO Jian¹, WEI Peiyu¹, CHEN Ping¹, LIANG Fengqiang², MENG Chao³

1. College of Electrical and Electronic Engineering, Shandong University of Technology, Zibo 255049, Shandong, China;
2. Linyi Power Supply Company, Linyi 276003, Shandong, China;
3. Linyi Zhengxin Engineering Survey and Design Co., Ltd, Linyi 276005, Shandong, China

Received:2016-07-28 Online:2018-02-20 Published:2016-07-28

摘要/Abstract

摘要： 为解决带T型支路的混合输电线路故障测距问题,结合故障行波在带T型支路输电线路中的传播特性,提出一种基于组合行波测距原理的T型输电线路故障测距方法。首先通过双端测距原理判断故障所在区间,然后利用单端测距原理得到故障距离。与传统T型支路故障测距方法主要适用于单一架空线路相比,该方法适用于带有T型支路的混合输电线路,可进一步提高测距精度。电力系统计算机辅助设计软件(Power Systems Computer Aided Design, PSCAD)仿真验证了该方法的有效性和实用性,满足对故障测距精度的要求,能够简单有效、准确可靠的得出测距结果。

关键词: T型支路, 混合线路, 组合行波, PSCAD仿真

Abstract: In order to solve the fault location problem of T-type transmission line, combined with the propagation characteristics of fault traveling wave in transmission line with T-type branch, a combined traveling wave ranging method of T transmission line was proposed. A traveling wave fault location method for T-type transmission line based on combined traveling wave principle was proposed. The theory of double end range was used to judge fault interval. The single-ended range principle was used to get the fault distance Compared with that the traditional T-type transmission line fault location method was mainly suitable for overhead line, the proposed method not only could be used for hybrid transmission lines, but also improve the ranging accuracy. The PSCAD simulation results showed the effectiveness and practicability of this method, which could improve the ranging accuracy and provide accurate and reliable distance measuring results.

Key words: hybrid transmission lines, combined traveling wave, PSCAD simulation, T branch

中图分类号:

TM77

邵健,魏佩瑜,陈平,梁凤强,孟超. 基于组合行波测距原理的T型线路测距方法[J]. 山东大学学报(工学版), 2018, 48(1): 117-123.

SHAO Jian, WEI Peiyu, CHEN Ping, LIANG Fengqiang, MENG Chao. A traveling wave fault location method for T-type transmission line based on combined traveling wave principle[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2018, 48(1): 117-123.

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基于组合行波测距原理的T型线路测距方法

A traveling wave fault location method for T-type transmission line based on combined traveling wave principle

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