Analysis of a Fault Caused by Multi-point Ring Network in DC System

CHEN Ruizhen; CAO Wenbin; DAI Wenliang; CAO Hui

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Analysis of a Fault Caused by Multi-point Ring Network in DC System

更新时间：2025-11-18

- Analysis of a Fault Caused by Multi-point Ring Network in DC System
- Vol. 40, Issue 3, Pages: 27-30(2020)
- 作者机构：
  
  国网湖南省电力有限公司检修公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM63
- Published：2020
- 稿件说明：
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[1]陈瑞珍,曹文彬,代文良,曹晖.一起直流系统多点环网引起的故障分析[J].湖南电力,2020,40(03):27-30.

CHEN Ruizhen, CAO Wenbin, DAI Wenliang, et al. Analysis of a Fault Caused by Multi-point Ring Network in DC System[J]. 2020, 40(3): 27-30.
[1]陈瑞珍,曹文彬,代文良,曹晖.一起直流系统多点环网引起的故障分析[J].湖南电力,2020,40(03):27-30. DOI：

CHEN Ruizhen, CAO Wenbin, DAI Wenliang, et al. Analysis of a Fault Caused by Multi-point Ring Network in DC System[J]. 2020, 40(3): 27-30. DOI：

摘要

重要变电站大多配置有两套直流系统

若两套直流系统之间存在环网

将影响直流系统的安全运行。本文针对某220 kV变电站改造过程中由于直流系统多点环网引起的直流系统电压波动故障

排查并分析了故障原因

并对直流系统的可靠运行及改造工作提出建议。

Abstract

Most of important substations are required with two sets of direct current systems. Loop net fault may occur in the process of operation

which will affect the safe operations of DC system. In this paper

the voltage fluctuation fault of DC system caused by multi-point loop network of DC system in the reconstruction process of a 220 kV substation is investigated and analyzed

the fault causes are analyzed

and suggestions for reliable operation and reconstruction of DC system are put forward.

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Related Author

CHEN Ruizhen

DAI Wenliang

XIE Zhihao

WANG Lu

LI Shengqing

CHEN Xin

ZHENG Jian

ZHU Guangming

Related Institution

State Grid Hunan Electric Power Company Limited Maintenance Company

School of Electrical and Information Engineering, Hunan University of Technology

State Grid Hunan Electric Power Company Limited Research Institute

Chang′an Yiyang Power Generation Co., Ltd.

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