Research on a Multiport Parallel Type Hybrid Circuit Breaker for HVDC Grids: Modeling and Design

Xinming Guo; Jin Zhu; Qingpeng Zeng; Hao Xiao; Tongzhen Wei

doi:10.17775/CSEEJPES.2021.05040

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Research on a Multiport Parallel Type Hybrid Circuit Breaker for HVDC Grids: Modeling and Design

Regular Papers | 更新时间：2026-10-15

- Research on a Multiport Parallel Type Hybrid Circuit Breaker for HVDC Grids: Modeling and Design
- Research on a Multiport Parallel Type Hybrid Circuit Breaker for HVDC Grids: Modeling and Design
- 中国电机工程学会电力与能源系统学报(英文) 2023年9卷第5期页码：1732-1742
- 作者机构：
  
  Institute of Electrical Engineering, Chinese Academy of Sciences and University of Chinese Academy of Sciences,Beijing,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2021.05040
  中图分类号：
- 纸质出版：2023-09-01
- 稿件说明：
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Xinming Guo, Jin Zhu, Qingpeng Zeng, 等. Research on a Multiport Parallel Type Hybrid Circuit Breaker for HVDC Grids: Modeling and Design[J]. 中国电机工程学会电力与能源系统学报(英文), 2023,9(5):1732-1742.

Xinming Guo, Jin Zhu, Qingpeng Zeng, et al. Research on a Multiport Parallel Type Hybrid Circuit Breaker for HVDC Grids: Modeling and Design[J]. CSEE Journal of Power and Energy Systems, 2023, 9(5): 1732-1742.
Xinming Guo, Jin Zhu, Qingpeng Zeng, 等. Research on a Multiport Parallel Type Hybrid Circuit Breaker for HVDC Grids: Modeling and Design[J]. 中国电机工程学会电力与能源系统学报(英文), 2023,9(5):1732-1742. DOI： 10.17775/CSEEJPES.2021.05040.

Xinming Guo, Jin Zhu, Qingpeng Zeng, et al. Research on a Multiport Parallel Type Hybrid Circuit Breaker for HVDC Grids: Modeling and Design[J]. CSEE Journal of Power and Energy Systems, 2023, 9(5): 1732-1742. DOI： 10.17775/CSEEJPES.2021.05040.

摘要

Abstract

This paper proposes a star type multiport hybrid circuit breaker (Star-HCB) topology for protection of multi-terminal DC transmission. Reliability and stability of high voltage DC (HVDC) grids are determined by their capabilities to withstand DC-side faults. In order to maintain reliability of HVDC grids

both ends of each line should be equipped with hybrid circuit breakers (HCB). This method will increase expenditure of the HVDC

especially the meshed topology. The n-port Star-HCB consists of ultra-fast mechanical disconnectors

load current switch and only one transferring branch which is formed by improved half-bridge sub-module. Compared with existing traditional hybrid circuit breakers and other multi-port hybrid circuit breakers

the proposed topology can realize the same short-circuit blocking goal using fewer components. Detailed mathematical transient process calculation and time-domain simulation of the proposed Star-HCB are given to verify its superiority.

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