Study on Current Carrying Performance of Dry-type DC Filter Capacitor for HVDC System

CHEN Qiming; WANG Duan; SONG Yaodong; YANG Fan

doi:10.14044/j.1674-1757.pcrpc.2014.04.008

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Study on Current Carrying Performance of Dry-type DC Filter Capacitor for HVDC System

更新时间：2024-09-14

- Study on Current Carrying Performance of Dry-type DC Filter Capacitor for HVDC System
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 35, Issue 4, Pages: 36-40(2014)
- 作者机构：
  
  中国电子科技集团公司第二十七研究所
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2014.04.008
  CLC： TM531.5
- Published：2014，
- 稿件说明：
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[1]陈启明,王端,宋耀东,杨帆.HVDC用干式直流滤波电容器通流性能研究[J].电力电容器与无功补偿,2014,35(04):36-40+61.

CHEN QIMING, WANG DUAN, SONG YAODONG, et al. Study on Current Carrying Performance of Dry-type DC Filter Capacitor for HVDC System. [J]. Power capacitor & reactive power compensation, 2014, 35(4): 36-40.
[1]陈启明,王端,宋耀东,杨帆.HVDC用干式直流滤波电容器通流性能研究[J].电力电容器与无功补偿,2014,35(04):36-40+61. DOI： 10.14044/j.1674-1757.pcrpc.2014.04.008.

CHEN QIMING, WANG DUAN, SONG YAODONG, et al. Study on Current Carrying Performance of Dry-type DC Filter Capacitor for HVDC System. [J]. Power capacitor & reactive power compensation, 2014, 35(4): 36-40. DOI： 10.14044/j.1674-1757.pcrpc.2014.04.008.

摘要

直流滤波电容器运行于直流输电系统直流侧

长期耐受系统直流电压并吸收谐波电流。对于金属化膜电容器

电容器中流过谐波电流时

会引起电容器内部温度升高使得介质加速老化

引起电容器寿命下降。针对拟设计的圆柱形干式直流滤波电容器

对其均方根电流通流能力进行理论计算分析

并通过计算分析影响电容器通流能力的因素

为干式直流滤波电容器参数设计提供参考。

Abstract

The DC filter capacitor operates on the DC side of HVDC transmission system and it should withstand DC voltage in long term and absorb the harmonic current. In case of harmonic current passing through metalized film capacitor

the internal temperature in capacitor will rise resulting in speeding up dielectric aging and leading life reduction of capacitor. In this paper

the theoretical calculation and analysis of root-mean-square current carrying capability to a dry-type DC filter capacitor with cylindrical construction are made and the factors affecting current carrying capability of capacitor are also analysed

which can be as a reference to the parameter design of dry-type DC filter capacitor.

关键词

直流滤波电容器通流性能

Keywords

DC filteringcapacitorcurrent carrying capability

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