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Longitudinal differential protection based on the Universal Line Model
KTH, School of Electrical Engineering (EES), Electric power and energy systems.ORCID iD: 0000-0002-1558-2539
KTH, School of Electrical Engineering (EES), Electric power and energy systems.ORCID iD: 0000-0002-8565-4753
2015 (English)In: IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society, Institute of Electrical and Electronics Engineers (IEEE), 2015, 1091-1096 p.Conference paper, Published paper (Refereed)
Abstract [en]

HVDC breakers, capable of interrupting DC fault currents within only a few milliseconds are currently under development. Application of such breakers allows for selective DC fault clearing which previously has limited the practical application of large-scale DC grids. However, for reliable operation of such systems, the underlying protection algorithms must be able to distinguish between different faults so that correct DC breakers are used to clear the fault. This paper introduces a longitudinal differential protection algorithm which is derived in the frequency domain from the transmission line equations. For translation into the time domain, it relies on the techniques used by the Universal Line Model, known to accurately represent the frequency dependent behavior of both cables and overhead lines. Since the protection accounts for the distributed parameters of transmission lines, it is inherently insensitive to external faults or disturbances. This allows for implementation with fast detection times, particularly desired in multi-terminal HVDC systems.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2015. 1091-1096 p.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-195373DOI: 10.1109/IECON.2015.7392245ISI: 000382950701030Scopus ID: 2-s2.0-84973129486ISBN: 978-147991762-4 (print)OAI: oai:DiVA.org:kth-195373DiVA: diva2:1044366
Conference
41st Annual Conference of the IEEE Industrial Electronics Society, IECON 2015, Pacifico YokohamaYokohama, Japan, 9 November 2015 through 12 November 2015
Note

QC 20161103

Available from: 2016-11-03 Created: 2016-11-03 Last updated: 2016-11-29Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
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  • de-DE
  • en-GB
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  • fi-FI
  • nn-NO
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  • Other locale
More languages
Output format
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  • asciidoc
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