Analysis on HVDC Voltage Abnormal Fluctuation of Tuanlin Converter Station

HU Xuebing; ZHANG Zhengmao; LEI Ming

doi:10.13296/j.1001-1609.hva.2014.09.020

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Analysis on HVDC Voltage Abnormal Fluctuation of Tuanlin Converter Station

更新时间：2025-04-26

- Analysis on HVDC Voltage Abnormal Fluctuation of Tuanlin Converter Station
- High VoltageApparatus Vol. 50, Issue 9, Pages: 111-118+125(2014)
- 作者机构：
  
  国网湖北省电力公司检修公司特高压交直流运检中心
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2014.09.020
  CLC： TM721.1
- Published：2014
- 稿件说明：
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[1]胡学兵,张正茂,雷鸣.团林换流站高压直流电压异常波动分析与处理[J].高压电器,2014,50(09):111-118+125.

HU Xuebing, ZHANG Zhengmao, LEI Ming. Analysis on HVDC Voltage Abnormal Fluctuation of Tuanlin Converter Station[J]. High voltageapparatus, 2014, 50(9): 111-118+125.
[1]胡学兵,张正茂,雷鸣.团林换流站高压直流电压异常波动分析与处理[J].高压电器,2014,50(09):111-118+125. DOI： 10.13296/j.1001-1609.hva.2014.09.020.

HU Xuebing, ZHANG Zhengmao, LEI Ming. Analysis on HVDC Voltage Abnormal Fluctuation of Tuanlin Converter Station[J]. High voltageapparatus, 2014, 50(9): 111-118+125. DOI： 10.13296/j.1001-1609.hva.2014.09.020.

摘要

2011年5月5日

±500 kV团林换流站直流线路低电压保护先后动作两次

通过对故障录波分析、RTDS仿真、理论计算等方法判断实际直流线路无故障

动作原因为团林换流站高压直流母线分压器测量电压异常波动引起。笔者介绍了团林换流站高压直流电压异常波动详细过程及原因

并提出了对直流分压器二次测量回路进行接地故障点检测的建议

成功解决了高压直流电压异常波动故障

消除了可能引起直流系统停运的隐患。

Abstract

In May 5

2011

Tuanlin ±500 kV converter station DC line du/dt undervoltage protection reacted for two times. Oscillograph trace analysis

RTDS simulation

and theoretical calculation were conducted to determine that no fault happened in the DC line

and the reactions were caused by abnormal fluctuation of the measured voltage of Tuanlin converter station HVDC bus voltage divider. This paper introduces the abnormal fluctuation process of Tuanlin converter station HVDC voltage and the reason in detail. In this study

ground fault point inspection was performed for the DC voltage divider secondary measurement circuit

as a result

the abnormal fluctuation fault of high DC voltage could be removed

and the hidden shutdown risk of the DC system could be eliminated.

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