Design of a 10kV Mechanical HVDC Circuit Breaker

RUAN Mianhui; CHEN Jianfu; LIU Bo; XIAO Fengliang; ZHANG Zhicheng; LI Wei

doi:10.13296/j.1001-1609.hva.2020.09.038

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Design of a 10kV Mechanical HVDC Circuit Breaker

更新时间：2025-04-26

- Design of a 10kV Mechanical HVDC Circuit Breaker
- High VoltageApparatus Vol. 56, Issue 9, Pages: 260-266(2020)
- 作者机构：
  
  1. 广东电网有限责任公司珠海供电局
  2. 山东泰开高压开关有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.09.038
  CLC： TM561
- Published：2020
- 稿件说明：
移动端阅览
[1]阮绵晖,陈建福,刘博,肖风良,张志成,李伟.一种10kV机械式高压直流断路器的研制[J].高压电器,2020,56(09):260-266.

RUAN Mianhui, CHEN Jianfu, LIU Bo, et al. Design of a 10kV Mechanical HVDC Circuit Breaker[J]. High voltageapparatus, 2020, 56(9): 260-266.
[1]阮绵晖,陈建福,刘博,肖风良,张志成,李伟.一种10kV机械式高压直流断路器的研制[J].高压电器,2020,56(09):260-266. DOI： 10.13296/j.1001-1609.hva.2020.09.038.

RUAN Mianhui, CHEN Jianfu, LIU Bo, et al. Design of a 10kV Mechanical HVDC Circuit Breaker[J]. High voltageapparatus, 2020, 56(9): 260-266. DOI： 10.13296/j.1001-1609.hva.2020.09.038.

摘要

为满足交直流混合的分布式可再生能源技术国家重点专项东莞园区示范工程要求

文中给出了一种10 kV机械式直流断路器的研制方案

对其拓扑结构及关键部件的参数设计进行了说明

然后基于PSCAD/EMTDC软件搭建仿真模型对电流开断过程进行仿真

对参数进行修正优化

最后搭建了一种LC低频振荡试验回路

对所开发10 kV机械式直流断路器样机进行双向开断验证

所研制样机成功开断了10 kA正向和反向电流

开断时间8.2～8.3 ms

全电流开断时间12.2～12.3 ms

瞬态开断电压峰值16.0 kV。

Abstract

In order to meet the requirement of the demonstration project of the state key special project of the AC/DC hybrid distributed renewable energy technology in dongguan park

this paper presents a development scheme of10 kV mechanical DC circuit breaker

describes its topological structure and parameters design of key components

and then builds a simulation model based on PSCAD/EMTDC software to simulate the current interruption process

and corrects the parameters.Finally

a LC low-frequency oscillation test circuit is constructed.The positive and reverse high-current breaking tests of the developed 10 kV mechanical HVDC circuit breaker prototype are carried out.The developed prototype successfully interrupts 10 kA positive current and reverse current

the breaking time is 8.2～8.3 ms

full current breaking time is 12.2～12.3 ms

and the peak transient interruption voltage is 16.0 kV.

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