基于电力电子复合开关的限流式混合直流断路器参数设计

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基于电力电子复合开关的限流式混合直流断路器参数设计

更新时间：2025-08-13

- 基于电力电子复合开关的限流式混合直流断路器参数设计
- Automation of Electric Power Systems Vol. 39, Issue 11, Pages: 88-95(2015)
- 作者机构：
  
  浙江大学电气工程学院,浙江省,杭州市,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2015
- 稿件说明：
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DU Yi. [J]. Automation of electric power systems, 2015, 39(11): 88-95.
DOI：

DU Yi. [J]. Automation of electric power systems, 2015, 39(11): 88-95. DOI：

摘要

研究了基于电力电子复合开关的限流式混合直流断路器。采用电力电子复合开关

以降低高压混合式直流断路器的电力电子功率器件串联数量;采用特殊设计的限流电路

在故障发生时抑制短路电流的上升速率

并可在线路断开后自行释放能量

避免感应过电压的产生。同时

对限流式混合直流断路器的参数设计原则及复合开关的配置方法进行了详细的推导

并对其正确性进行仿真验证。仿真结果证明

采用文中所述方法进行限流式混合直流断路器的设计

不仅可以在直流电路发生短路故障时有效限制短路电流上升率

降低短路电流开断难度

还可以显著减少器件串联数量

从而达到降低装置体积与成本的目的。

Abstract

A current limiting DC hybrid circuit breaker (CB) based on a combinatorial electronic power switch is studied. The combinatorial electronic power switch is designed to reduce the series connecting number of power electronic devices

a specifically designed current limiting circuit is used to arrest the rising speed of the fault current. Another contribution of this paper is the parameter design of the CB and the configuration of the combinatorial switch. The accuracy of the method is proved by the simulation results

showing that the proposed CB is not just able to limit the current rising rate when fault occurs

it significantly reduces the volume and cost of power electronic devices. This work is supported by National High Technology Research and Development Program of China (863 Program) (No. 2013AA050103).

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