Analysis on Misoperation of DC Filter Differential Protection

TIAN Qing

doi:10.13296/j.1001-1609.hva.2012.09.001

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Analysis on Misoperation of DC Filter Differential Protection

更新时间：2025-05-17

- Analysis on Misoperation of DC Filter Differential Protection
- High VoltageApparatus Vol. 48, Issue 9, Pages: 22-26(2012)
- 作者机构：
  
  南方电网超高压输电公司检修试验中心
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2012.09.001
  CLC： TM77;TN713
- Published：2012
- 稿件说明：
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[1]田庆.直流滤波器差动保护误动作分析[J].高压电器,2012,48(09):22-26.

TIAN Qing. Analysis on Misoperation of DC Filter Differential Protection[J]. High voltageapparatus, 2012, 48(9): 22-26.
[1]田庆.直流滤波器差动保护误动作分析[J].高压电器,2012,48(09):22-26. DOI： 10.13296/j.1001-1609.hva.2012.09.001.

TIAN Qing. Analysis on Misoperation of DC Filter Differential Protection[J]. High voltageapparatus, 2012, 48(9): 22-26. DOI： 10.13296/j.1001-1609.hva.2012.09.001.

摘要

笔者分析了宝安换流站差动保护误动作的情况。根据现场实际录波

考虑直流滤波器TA特性

讨论直流滤波器差动保护的特点、直流输电的特殊运行工况对直流滤波器差动保护的影响

并结合其特点提出相应3种反措

以提高差动保护的可靠性。这可以完善直流滤波器差动保护

从而增强高压直流安全稳定运行性能。

Abstract

This paper analyses the misoperation of DC filter differential current protection in Bao’an converter station according to the transient fault record.The characteristics of a DC filter and the influence of special working situations to the DC filter protection are analyzed

such as the TA characteristic etc..Three possible methods are put forward to enhance reliability of differential protection.When these methods are utilized in DC filter protection system

the HVDC can operate better.

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Related Author

WANG Wei-hua

REN Jun-hui

ZHANG Wan-rong

TIAN Qing

JIN Shu-jun

ZHONG Tian-xiang

REN Jun-hui

WANG Wei-hua

Related Institution

Xi’an High Voltage Apparatus Research Institute

西安高压电器研究所陕西西安710077

Yuhuan Power Plant,Huaneng Power International INC,Yuhuan

Xi’an XD Power Systems Co.,Ltd.

Xi’an XD Power System Co.,Ltd.

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