级联全桥型直流断路器控制策略及其动态模拟试验

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级联全桥型直流断路器控制策略及其动态模拟试验

更新时间：2025-08-13

- 级联全桥型直流断路器控制策略及其动态模拟试验
- Automation of Electric Power Systems Vol. 40, Issue 1, Pages: 129-135(2016)
- 作者机构：
  
  国网智能电网研究院,北京市,102200
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2016
- 稿件说明：
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WEI Xiaoguang. [J]. Automation of electric power systems, 2016, 40(1): 129-135.
DOI：

WEI Xiaoguang. [J]. Automation of electric power systems, 2016, 40(1): 129-135. DOI：

摘要

高压直流断路器作为直流线路中的分断装置

是构建直流电网的关键设备

可促进大规模风电并网技术的发展。文中详细描述了级联全桥混合式高压直流断路器的工作原理

与基于绝缘栅双极型晶体管(IGBT)串联的断路器拓扑相比

该拓扑中全桥模块间的电压平衡更易于实现。针对该断路器拓扑提出了快速故障检测方法和预转移控制策略

以缩短断路器的分断时间

搭建了低压动态物理模拟系统

并通过动态模拟试验验证了断路器的分断原理和控制策略。

Abstract

A reliable

fast and low conduction loss direct current (DC) circuit breaker plays a significant role in the development of the DC grid. The topology and operation principle of the cascaded full-bridge hybrid DC circuit breaker are described in detail. Compared with the topology that directly utilizes insulated gate bipolar transistors (IGBTs) in series connection

the voltage balance is easier to achieve for connecting FBSM in series. In order to get a quick response to the DC grid fault

the rapid fault detecting method and pre-transferring strategy are introduced. A low voltage physical dynamic model has been built to verify the operation and control strategy. This work is supported by State Grid Corporation of China.

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Related Institution

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