葛洲坝换流站直流开路试验故障原因分析

HU Yuyang; TANG Kaiping; YU Shanshan

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葛洲坝换流站直流开路试验故障原因分析

更新时间：2025-08-13

- 葛洲坝换流站直流开路试验故障原因分析
- Automation of Electric Power Systems Vol. 34, Issue 18, Pages: 103-107(2010)
- 作者机构：
  
  国家电网公司运行分公司宜昌管理处,湖北省,宜昌市,443005
- 作者简介：
- 基金信息：
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- Published：2010
- 稿件说明：
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HU Yuyang, TANG Kaiping, YU Shanshan. [J]. Automation of electric power systems, 2010, 34(18): 103-107.
DOI：

HU Yuyang, TANG Kaiping, YU Shanshan. [J]. Automation of electric power systems, 2010, 34(18): 103-107. DOI：

摘要

2008年9月28日葛洲坝换流站在进行极Ⅰ直流系统站内开路试验时，开路试验电压差保护动作。文中在简要介绍高压直流输电系统开路试验原理和保护配置的基础上，结合葛洲坝—南桥高压直流输电工程的实际，对此次开路试验故障原因进行了全面分析。分析表明，当高压直流输电系统中的控制保护系统设备故障时将引起相关信号（信息）的采集、传输错误，严重时将可能导致直流系统停运。

Abstract

The open line test（OLT） voltage differential protection acted while poleⅠ of the Gezhouba-Nanqiao±500 kV high voltage direct current（HVDC） transmission system was taken OLT on September 28， 2008 at Gezhouba Converter Station. On the basis of the simple introduction of the principle of HVDC system OLT and protection configuration with the practice of Gezhouba-Nanqiao HVDC transmission project， the reason of the OLT fault is completely analyzed. The analysis shows that the equipment fault of control and protection system of HVDC transmission system can lead to related signal（information） sampling and transferring faults， and even lead to DC system outage in severe situations.

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