Study on Clamping Type DC Circuit Breaker with Short Fault Isolation Time and Low Energy Dissipation

Xibei Zhao; Gen Li; Jianzhong Xu; Jinsha Yuan

doi:10.17775/CSEEJPES.2020.05180

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Study on Clamping Type DC Circuit Breaker with Short Fault Isolation Time and Low Energy Dissipation

Regular Papers | 更新时间：2026-10-15

- Study on Clamping Type DC Circuit Breaker with Short Fault Isolation Time and Low Energy Dissipation
- Study on Clamping Type DC Circuit Breaker with Short Fault Isolation Time and Low Energy Dissipation
- 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：1743-1752
- 作者机构：
  
  1. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University,Beijing,China
  2. Department of Engineering Technology, Electric Energy Group, Technical University of Denmark (DTU), Ballerup,Denmark
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2020.05180
  中图分类号：
- 纸质出版：2023-09-01
- 稿件说明：
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Xibei Zhao, Gen Li, Jianzhong Xu, 等. Study on Clamping Type DC Circuit Breaker with Short Fault Isolation Time and Low Energy Dissipation[J]. 中国电机工程学会电力与能源系统学报(英文), 2023,9(5):1743-1752.

Xibei Zhao, Gen Li, Jianzhong Xu, et al. Study on Clamping Type DC Circuit Breaker with Short Fault Isolation Time and Low Energy Dissipation[J]. CSEE Journal of Power and Energy Systems, 2023, 9(5): 1743-1752.
Xibei Zhao, Gen Li, Jianzhong Xu, 等. Study on Clamping Type DC Circuit Breaker with Short Fault Isolation Time and Low Energy Dissipation[J]. 中国电机工程学会电力与能源系统学报(英文), 2023,9(5):1743-1752. DOI： 10.17775/CSEEJPES.2020.05180.

Xibei Zhao, Gen Li, Jianzhong Xu, et al. Study on Clamping Type DC Circuit Breaker with Short Fault Isolation Time and Low Energy Dissipation[J]. CSEE Journal of Power and Energy Systems, 2023, 9(5): 1743-1752. DOI： 10.17775/CSEEJPES.2020.05180.

摘要

Abstract

The development of DC grids faces challenges from DC fault protection. The conventional DC circuit breaker (DCCB) employs metal-oxide varistor (MOV) to isolate the faulted line

in which the fault isolation process is coupled with the energy dissipation process. In this study

a clamping type DCCB (CTCB) using internal capacitors to clamp the converter voltage is proposed. Thanks to the proposed configuration

fault isolation and energy dissipation are decoupled

resulting in a fast fault isolation and low energy dissipation compared to the conventional DCCB. The working principle of the proposed CTCB is presented and verified in a DC grid simulation model. A comparison is made with the traditional DCCB. The fault isolation time can be reduced by 34.5%. The dissipated energy can be reduced by 17.4%. The energy dissipation power can be reduced by 76.2%.

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