Study on DC Support Capacitor Technology for High Power Flexible DC Transmission Project

HE Xiaoliang; GAO Qi; LIU Shuiping; JING Yufu

doi:10.14044/j.1674-1757.pcrpc.2020.04.015

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Study on DC Support Capacitor Technology for High Power Flexible DC Transmission Project

更新时间：2024-09-14

- Study on DC Support Capacitor Technology for High Power Flexible DC Transmission Project
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 4, Pages: 81-85(2020)
- 作者机构：
  
  1. 西安西电电力电容器有限责任公司
  2. 神华榆林能源化工有限公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.04.015
  CLC： TM53;TM721.1
- Published：2020，
- 稿件说明：
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[1]何晓靓,高琪,刘水平,景宇富.大容量柔性直流输电工程用直流支撑电容器技术研究[J].电力电容器与无功补偿,2020,41(04):81-85.

HE XIAOLIANG, GAO QI, LIU SHUIPING, et al. Study on DC Support Capacitor Technology for High Power Flexible DC Transmission Project. [J]. Power capacitor & reactive power compensation, 2020, 41(4): 81-85.
[1]何晓靓,高琪,刘水平,景宇富.大容量柔性直流输电工程用直流支撑电容器技术研究[J].电力电容器与无功补偿,2020,41(04):81-85. DOI： 10.14044/j.1674-1757.pcrpc.2020.04.015.

HE XIAOLIANG, GAO QI, LIU SHUIPING, et al. Study on DC Support Capacitor Technology for High Power Flexible DC Transmission Project. [J]. Power capacitor & reactive power compensation, 2020, 41(4): 81-85. DOI： 10.14044/j.1674-1757.pcrpc.2020.04.015.

摘要

在柔性直流输电系统中

需要用直流电容器作为储能元件

起到电压支撑等作用。由于柔性直流换流阀使用环境要求电容器能长期稳定、安全可靠运行

但是高温会加速电容器绝缘老化、性能变化

导致可靠性下降。本文主要从金属化膜的选取、心子元件的设计以及产品的结构设计方面进行详细论述。同时论述了该直流电容器在研制及生产过程中的重点问题分析

从试验方面进行验证。可为大容量柔性直流支撑电容器产品设计与制造提供参考。

Abstract

In the flexible DC transmission system

the DC capacitor is needed as the charging element to act as voltage support.The service condition of the flexible DC converter valve requests long term

stable

safe and reliable operation of capacitor

but the high temperature will accelerate insulation aging and performance change of the capacitor

thus resulting in reduction of reliability.In this paper

the product is described in detail from such aspects as selection of metallized film

design of core element and structural design.At the same time

the analysis of key problems in the development and production of the DC container is discussed and verified by the test

which can provide reference for the design and manufacture of high power flexible DC support capacitor.

关键词

柔性直流输电直流支撑电容器电力电子电容器

Keywords

flexible HVDCDC supported capacitorpower electronic capacitor

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Related Institution

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