Adaptability Analysis of Siemens Traveling Wave Protection Considering Signal Broadening

Dai Wenrui; Li Xiaopeng; Lin Sheng

doi:10.16527/j.issn.1003-6954.20210501

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Adaptability Analysis of Siemens Traveling Wave Protection Considering Signal Broadening

更新时间：2026-02-13

- Adaptability Analysis of Siemens Traveling Wave Protection Considering Signal Broadening
- Issue 5, Pages: 2-5+94(2021)
- 作者机构：
  
  1. 中国铁道科学研究院集团有限公司标准计量研究所
  2. 西南交通大学电气工程学院
  3. 国网四川省电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.16527/j.issn.1003-6954.20210501
  CLC： TM721.1
- Published：2021
- 稿件说明：
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Dai Wenrui, Li Xiaopeng, Lin Sheng. Adaptability Analysis of Siemens Traveling Wave Protection Considering Signal Broadening[J]. 2021, (5): 2-5+94.
DOI：

Dai Wenrui, Li Xiaopeng, Lin Sheng. Adaptability Analysis of Siemens Traveling Wave Protection Considering Signal Broadening[J]. 2021, (5): 2-5+94. DOI： 10.16527/j.issn.1003-6954.20210501.

摘要

行波保护是高压直流输电线路保护体系中的重要部分。为分析现有工程中西门子行波保护可靠性不足的原因

基于实际工程所采用的行波保护逻辑

搭建了考虑信号展宽的西门子行波保护模型。在此基础上分析了在不同类型的区内外接地故障下西门子行波保护的适应性

并对适应性不足的原因进行了分析。分析结果表明

信号展宽一定程度上提高了西门子行波保护的可靠性

但保护判据中的电压变化量判据较大地影响了其对于区内高阻故障和区外低阻故障的选择性。

Abstract

Traveling wave protection is an important part of HVDC transmission line protection system. In order to analyze the reasons for the lack of reliability of Siemens traveling wave protection in existing projects

based on traveling wave protection logic used in practical projects

a Siemens traveling wave protection model considering signal broadening is established. On this basis

the adaptability of Siemens traveling wave protection under different types of internal and external grounding faults is analyzed

and the reasons for the lack of adaptability are analyzed. The simulation results show that the signal broadening improves the reliability of Siemens traveling wave protection to a certain extent

but the voltage variation criterion in the protection criterion greatly affects its selectivity for high resistance faults in the area and low resistance faults outside the area.

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