Characteristic Analysis and Simulation Study of Multi-port Hybrid DC Circuit Breaker

YANG Jinggang; ZHAO Ke; GAO Shan; LI Yujie; WANG Jian; TANG Ming

doi:10.13296/j.1001-1609.hva.2021.12.007

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Characteristic Analysis and Simulation Study of Multi-port Hybrid DC Circuit Breaker

更新时间：2025-04-26

- Characteristic Analysis and Simulation Study of Multi-port Hybrid DC Circuit Breaker
- High VoltageApparatus Vol. 57, Issue 12, Pages: 50-56+66(2021)
- 作者机构：
  
  1. 国网江苏省电力公司电力科学研究院
  2. 清华四川能源互联网研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2021.12.007
  CLC： TM561;TM721.1
- Published：2021
- 稿件说明：
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YANG Jinggang, ZHAO Ke, GAO Shan, et al. Characteristic Analysis and Simulation Study of Multi-port Hybrid DC Circuit Breaker[J]. High voltageapparatus, 2021, 57(12): 50-56+66.
DOI：

YANG Jinggang, ZHAO Ke, GAO Shan, et al. Characteristic Analysis and Simulation Study of Multi-port Hybrid DC Circuit Breaker[J]. High voltageapparatus, 2021, 57(12): 50-56+66. DOI： 10.13296/j.1001-1609.hva.2021.12.007.

摘要

多端口混合直流断路器是一种可同时保护多条线路

且投资成本相对较低的新型断路器拓扑

在多端直流配电系统中具有广阔应用前景。文中针对晶闸管换流式多端口混合直流断路器进行研究

介绍了其用于N条线路保护的拓扑图

详细分析在正常运行、故障运行以及重合闸运行时断路器的保护动作过程及电路换流状态。最后

在PSCAD/EMTDC软件内搭建了三端MMC直流输电系统仿真模型

通过分析断路器在故障点的故障切除特性

验证了多端口混合直流断路器拓扑结构的可行性和有效性。

Abstract

Multi-port hybrid DC circuit breaker is a new type of circuit breaker topology which can not only protect multiple lines simultaneously

but also has relatively low investment cost. It has a broad application prospect in multiport DC distribution system. In this paper

the thyristor commutative multi-port hybrid DC circuit breaker is studied and its topology for N lines protection is introduced. The protection action and circuit commutation state of the circuit breaker in normal operation

fault operation and reclosing operation are analyzed in detail. Finally

a simulation model of three-terminal MMC DC transmission system is set up in PSCAD/EMTDC software. The feasibility and effectiveness of the multi-port hybrid DC circuit breaker topology are verified by analyzing the fault removal characteristics of the circuit breaker.

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Related Author

JIANG Yuan

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Related Institution

China Electric Power Research Institute

Key Laboratory of Knowledge Automation for Industrial Processes of Ministry of Education,School of Automation and Electrical Engineering,University of Science and Technology

State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology

State Grid Shanxi Yangquan Power Supply Company

College of Electrical Engineering & New Energy, China Three Gorges University

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