Protection issue discussion of DC network development: circuit breaker or fault-tolerant converter

J. Yang*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference publication

Abstract

This paper provides a discussion on future direct current (DC) network development in terms of system protection under DC-side fault scenarios. The argument between appropriate DC circuit breaker and new DC fault-tolerant converters is discussed after a review on DC technology development and bottleneck issues that require proper solutions. The overcurrent/cost curve of power-electronic DC circuit breakers (CB) superimposed to voltage-source converter (VSC) systems is derived and compared with other possible fault-tolerant power conversion options. This in-advance planning of protection capability is essential for the future development of DC networks.

Original languageEnglish
Title of host publication11th IET international conference on Developments in Power Systems Protection, DPSP 2012
PublisherIET
Number of pages6
ISBN (Print)978-1-84919-620-8
DOIs
Publication statusPublished - 16 Jul 2012
Event11th IET international conference on Developments in Power Systems Protection - Birmingham, United Kingdom
Duration: 23 Apr 201226 Apr 2012

Conference

Conference11th IET international conference on Developments in Power Systems Protection
Abbreviated titleDPSP 2012
CountryUnited Kingdom
CityBirmingham
Period23/04/1226/04/12

Bibliographical note

IET Conference Publications

Keywords

  • DC circuit breaker
  • DC network protection
  • economic comparison
  • fault-tolerant converters

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