Superconducting circuit breaker concepts for the protection of HVDC systems

D. M. Larruskain, A. Etxegarai, A. Iturregi, O. Abarrategi, S. Apiñaniz

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

Abstract

The reliable protection of DC grids is still a challenge, mainly because of the fast operation required for interrupting the high current faults that could severely damage the system. Accordingly, HVDC circuit breakers must be further developed. On the other hand, superconducting fault current limiters reduce fault currents and are able to adapt the performance of the system to the maximum breaking capacity of circuit breakers. In the present paper, a superconducting DC circuit breaker is proposed considering three circuit breaker technologies. Those technologies are compared and their performance is analysed on a multiterminal HVDC system. The paper highlights the benefits that the superconducting fault current limiter provides to the circuit breaker operation.

Original languageEnglish
Title of host publicationIET Conference Publications
PublisherInstitution of Engineering and Technology
EditionCP751
ISBN (Electronic)9781839530074
DOIs
Publication statusPublished - 2019
Event15th IET International Conference on AC and DC Power Transmission, ACDC 2019 - Coventry, United Kingdom
Duration: 5 Feb 20197 Feb 2019

Publication series

NameIET Conference Publications
NumberCP751
Volume2019

Conference

Conference15th IET International Conference on AC and DC Power Transmission, ACDC 2019
Country/TerritoryUnited Kingdom
CityCoventry
Period5/02/197/02/19

Keywords

  • Circuit breaker
  • DC fault
  • HVDC grid
  • Protection
  • Resistive fault current limiter

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