Abnormal Switching Analysis and Improved Measures of DC Station Control in ±800 kV Converter Station

HUANG Kewei; LIU Wenze; YUAN Huqiang; CHENG Jiandeng; JIANG Xinhua

doi:10.13296/j.1001-1609.hva.2018.10.007

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Abnormal Switching Analysis and Improved Measures of DC Station Control in ±800 kV Converter Station

更新时间：2025-04-26

- Abnormal Switching Analysis and Improved Measures of DC Station Control in ±800 kV Converter Station
- High VoltageApparatus Vol. 54, Issue 10, Pages: 38-42(2018)
- 作者机构：
  
  1. 华南理工大学
  2. 中国南方电网有限责任公司超高压输电公司昆明局
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.10.007
  CLC： TM721.1
- Published：2018
- 稿件说明：
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[1]黄科维,刘文泽,袁虎强,程建登,蒋新华.±800 kV直流站控异常切换原因分析及改进措施[J].高压电器,2018,54(10):38-42.

HUANG Kewei, LIU Wenze, YUAN Huqiang, et al. Abnormal Switching Analysis and Improved Measures of DC Station Control in ±800 kV Converter Station[J]. High voltageapparatus, 2018, 54(10): 38-42.
[1]黄科维,刘文泽,袁虎强,程建登,蒋新华.±800 kV直流站控异常切换原因分析及改进措施[J].高压电器,2018,54(10):38-42. DOI： 10.13296/j.1001-1609.hva.2018.10.007.

HUANG Kewei, LIU Wenze, YUAN Huqiang, et al. Abnormal Switching Analysis and Improved Measures of DC Station Control in ±800 kV Converter Station[J]. High voltageapparatus, 2018, 54(10): 38-42. DOI： 10.13296/j.1001-1609.hva.2018.10.007.

摘要

普洱换流站自投产以来

多次出现直流站控系统2异常切换到系统1的情况。为了减少普洱换流站发生设备故障的风险

采用增加故障录波程序、顺序事件记录、在软件中增加RS触发器

以及更换普洱换流站直流站控本体设备等措施

确定导致直流站控异常切换的确切原因

并针对所得的原因

提出增加电容模块、光隔继电器等改进措施。将改进措施应用于普洱换流站直流站控设备

通过设备带电试验验证了改进措施的有效性

解决了普洱换流站所存在的直流站控异常切换问题。

Abstract

Since the operation of Pu’er converter station

DC station control already happen several abnormal switch-ing from system 1 to system 2. To reduce equipment failure risk in Pu’er converter station

the actual reason of DCstation control abnormal switching is identified by using fault recorded program

serial event recorder（SER）

the RStrigger in the software and replacement of Pu’er Converter Station DC control device. Moreover

the improved mea-sures are proposed with an optical relay to release the abnormal reason. After the improved measures are applied inPu’er converter station control equipment

the result shows the validity of the improved measures by the test of de-vice running. The improved measures can solve the DC station control’s risk in Pu’er converter station.

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