The Influence of Distributed Capacitance on Initial Unbalance Current of H Type Protection

GUO Qing-wen; HUANG Xuan; YANG Xiao-liang; ZHANG Chang-yu

doi:10.14044/j.1674-1757.pcrpc.2010.01.006

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The Influence of Distributed Capacitance on Initial Unbalance Current of H Type Protection

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- The Influence of Distributed Capacitance on Initial Unbalance Current of H Type Protection
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 31, Issue 1, Pages: 15-18(2010)
- 作者机构：
  
  西安ABB电力电容器有限公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2010.01.006
  CLC： TM531
- Published：2010，
- 稿件说明：
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[1]郭庆文,黄瑄,杨晓良,张长宇.分布电容对桥差保护初始不平衡电流的影响[J].电力电容器与无功补偿,2010,31(01):15-18+26.

GUO QING-WEN, HUANG XUAN, YANG XIAO-LIANG, et al. The Influence of Distributed Capacitance on Initial Unbalance Current of H Type Protection. [J]. Power capacitor & reactive power compensation, 2010, 31(1): 15-18.
[1]郭庆文,黄瑄,杨晓良,张长宇.分布电容对桥差保护初始不平衡电流的影响[J].电力电容器与无功补偿,2010,31(01):15-18+26. DOI： 10.14044/j.1674-1757.pcrpc.2010.01.006.

GUO QING-WEN, HUANG XUAN, YANG XIAO-LIANG, et al. The Influence of Distributed Capacitance on Initial Unbalance Current of H Type Protection. [J]. Power capacitor & reactive power compensation, 2010, 31(1): 15-18. DOI： 10.14044/j.1674-1757.pcrpc.2010.01.006.

摘要

以华新换流站HP12/24滤波电容器组为例

介绍其塔架结构及接线方式

针对电容器组充电调试时初始不平衡电流偏大的问题

分析、查明并验证原因

发现不同电气连接的分布电容对4个桥臂有不同的影响

通过调整接线

改变分布电容的位置

达到了预期理想要求

为其他HVDC工程提供了经验。

Abstract

This paper

taking HP12/24 filters capacitor banks at Shanghai Huaxin converter station as an example

introduces its structure of tower and way of connection

analyzes

checks and verifies such issue as larger initial unbalance current at charging commissioning of the capacitor bank and finds that the distribution capacitance of different electrical connections has different influence on 4 bridge arms.Adjustment of connection

change of position of distribution capacitance and achievement of expected ideal requirement provide experience for other HVDC projects.

关键词

调试桥差保护分布电容不平衡电流固定电位连线

Keywords

commissioningH-type protectiondistribution capacitanceunbalance currentconnection of fixed potential

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Related Institution

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