Current Transfer Characteristics of the Hybrid DC Circuit Breaker in DC Micro-grid

HUANG Jinqiang; LIAO Minfu; GE Guowei; WANG Shanjun; LU Gang; DUAN Xiongying; ZHAO Qi

doi:10.13296/j.1001-1609.hva.2017.03.019

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Current Transfer Characteristics of the Hybrid DC Circuit Breaker in DC Micro-grid

更新时间：2025-04-26

- Current Transfer Characteristics of the Hybrid DC Circuit Breaker in DC Micro-grid
- High VoltageApparatus Vol. 53, Issue 3, Pages: 119-125(2017)
- 作者机构：
  
  1. 大连理工大学电气工程学院
  2. 辽宁省电力有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.03.019
  CLC： TM561
- Published：2017
- 稿件说明：
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[1]黄金强,廖敏夫,葛国伟,王善军,卢刚,段雄英,赵琦.直流微网混合式直流断路器电流转移特性研究[J].高压电器,2017,53(03):119-125.

HUANG Jinqiang, LIAO Minfu, GE Guowei, et al. Current Transfer Characteristics of the Hybrid DC Circuit Breaker in DC Micro-grid[J]. High voltageapparatus, 2017, 53(3): 119-125.
[1]黄金强,廖敏夫,葛国伟,王善军,卢刚,段雄英,赵琦.直流微网混合式直流断路器电流转移特性研究[J].高压电器,2017,53(03):119-125. DOI： 10.13296/j.1001-1609.hva.2017.03.019.

HUANG Jinqiang, LIAO Minfu, GE Guowei, et al. Current Transfer Characteristics of the Hybrid DC Circuit Breaker in DC Micro-grid[J]. High voltageapparatus, 2017, 53(3): 119-125. DOI： 10.13296/j.1001-1609.hva.2017.03.019.

摘要

混合式直流断路器的电流转移特性对其快速开断及控制策略有着重要意义

文中通过分析混合式直流断路器的工作原理

利用Mayr电弧模型、IGBT、RCD缓冲电路和避雷器模型等建立了混合式直流断路器仿真分析模型

分析了不同外电路参数和转移支路参数下的电流转移特性。搭建了直流微网模拟短路试验平台

进行了混合式直流断路器的开断特性试验

重点研究了电压400 V

不同故障电流（低于200 A）及不同参数下的电流转移特性。试验结果验证了仿真分析模型

为后期快速开断的直流微网混合式断路器提供了可参考的依据。

Abstract

The current transfer characteristics of the hybrid DC circuit breaker is very important for its fast breaking and control strategy. In this study

the structure and principle of the hybrid DC circuit breaker were analyzed. Based on the Mayr arc model

IGBTs

RCD snubber circuit and MOV model

a simulation model of the hybrid DC circuit breaker was established to analyze the current transfer characteristics with different parameters of external circuit and transfer branch. And a test platform for the self-designed prototype of hybrid DC circuit breaker was designed to simulate DC short-circuit fault under the micro-grid voltage level of 400 V and to conduct breaking test under different fault current（below 200 A）and different line inductance. The current transfer characteristics obtained from the test were in good agreement with the simulated ones

verifying the effectiveness and accuracy of the present simulation model. This study may provide a reference for design of faster micro-grid hybrid DC breakers.

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