Experimental Study on Vacuum Fast Disconnectors with Multi Breaks

LIU Bin; SHI Qinmin; LYU Wei; YANG Bing; SHI Wei

doi:10.13296/j.1001-1609.hva.2018.02.010

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Experimental Study on Vacuum Fast Disconnectors with Multi Breaks

更新时间：2025-04-26

- Experimental Study on Vacuum Fast Disconnectors with Multi Breaks
- High VoltageApparatus Vol. 54, Issue 2, Pages: 56-61(2018)
- 作者机构：
  
  南京南瑞继保电气有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.02.010
  CLC： TM564.1
- Published：2018
- 稿件说明：
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[1]刘彬,石亲民,吕玮,杨兵,石巍.多断口真空快速隔离开关试验研究[J].高压电器,2018,54(02):56-61.

LIU Bin, SHI Qinmin, LYU Wei, et al. Experimental Study on Vacuum Fast Disconnectors with Multi Breaks[J]. High voltageapparatus, 2018, 54(2): 56-61.
[1]刘彬,石亲民,吕玮,杨兵,石巍.多断口真空快速隔离开关试验研究[J].高压电器,2018,54(02):56-61. DOI： 10.13296/j.1001-1609.hva.2018.02.010.

LIU Bin, SHI Qinmin, LYU Wei, et al. Experimental Study on Vacuum Fast Disconnectors with Multi Breaks[J]. High voltageapparatus, 2018, 54(2): 56-61. DOI： 10.13296/j.1001-1609.hva.2018.02.010.

摘要

快速隔离开关是混合式直流断路器的关键部件之一

其分合闸时间在数毫秒以内的

常规断路器难以提供如此快速的操作速度。文中在借鉴已有真空开关研制经验的基础上

从分析直流快速隔离开关的需求入手

重点对真空小间隙应用在直流隔离、无弧分断场合的情况进行有针对性的系列试验

同时借助试验和理论分析

解决了多断口均压问题

使中压真空开关得以扩展到高压直流隔离开关应用领域。研制出一台分闸速度小于3 ms的200 k V直流快速隔离开关

且该方案具有易于向高压扩充的优势

能满足混合式直流断路器的应用需求。

Abstract

The fast disconnectors is one of the key components of hybrid DC circuit breaker. It is difficult for conven-tional breakers to provide such a fast operating speed when the switching time is within a few milliseconds. In this pa-per

based on the study of the vacuum switch

focusing on the application of small vacuum gap in DC isolation

arcless breaking situation

a series of experiments are designed. After solving the problems of synchronous as well asvoltage distribution in every break

a 200 k V DC fast disconnectors with less than 3 ms switching time is developed

and the scheme has the advantage of easy to expand to high voltage

and can meet the application demand of the hy-brid DC circuit breaker.

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