Abnormal Analysis and Treatment on Voltage of DC Voltage Transformer

ZENG Zhixiang; FANG Boyi; LYU Yang; JIANG Lijun

doi:10.14044/j.1674-1757.pcrpc.2017.05.017

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Abnormal Analysis and Treatment on Voltage of DC Voltage Transformer

更新时间：2024-09-14

- Abnormal Analysis and Treatment on Voltage of DC Voltage Transformer
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 38, Issue 5, Pages: 87-91(2017)
- 作者机构：
  
  1. 中国南方电网超高压输电公司柳州局
  2. 桂林电力电容器有限责任公司
  3. 中国南方电网超高压输电公司柳州局桂林电力电容器有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2017.05.017
  CLC： TM451
- Published：2017，
- 稿件说明：
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[1]曾智翔,房博一,吕洋,蒋利军.一起直流电压互感器电压异常分析及处理[J].电力电容器与无功补偿,2017,38(05):87-91.

ZENG ZHIXIANG, FANG BOYI, LYU YANG, et al. Abnormal Analysis and Treatment on Voltage of DC Voltage Transformer. [J]. Power capacitor & reactive power compensation, 2017, 38(5): 87-91.
[1]曾智翔,房博一,吕洋,蒋利军.一起直流电压互感器电压异常分析及处理[J].电力电容器与无功补偿,2017,38(05):87-91. DOI： 10.14044/j.1674-1757.pcrpc.2017.05.017.

ZENG ZHIXIANG, FANG BOYI, LYU YANG, et al. Abnormal Analysis and Treatment on Voltage of DC Voltage Transformer. [J]. Power capacitor & reactive power compensation, 2017, 38(5): 87-91. DOI： 10.14044/j.1674-1757.pcrpc.2017.05.017.

摘要

针对某±500 kV换流站出现的电压异常波动现象

通过对站内直流电压互感器结构及设计原理进行分析

并搭建了直流电压测量系统进行测试

发现直流电压互感器远端模块存在接地不良的设计缺陷是引起系统测量电压异常的主要原因。针对存在的问题提出了改进措施并加以实施

有效地解决了直流电压互感器电压异常问题

也为今后同类设备的设计及选型提供了一定的参考。

Abstract

In view of the abnormal voltage fluctuation occurred in a certain ±500 k V converter station

itis found that the abnormal measurement voltage at the remote module of DC voltage transformer is due todefect design in earthing by way of analysis of both structure and design principle of the DC voltagetransformer in the station and of test through setting up DC voltage measurement system. The modificationmeasures for the problem is proposed and implemented

which solves effectively the abnormal voltageissue of DC voltage transformer and also provides a definite reference for the design and selection ofsimilar type of product in the future.

关键词

直流电压互感器电压异常直流系统

Keywords

DC voltage transformerabnormal voltageDC transmission system

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