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Applying Power-Synchronization Control in a Multi-Terminal DC System
KTH, School of Electrical Engineering (EES), Electric Power Systems.
2014 (English)In: 2014 IEEE PES GENERAL MEETING - CONFERENCE & EXPOSITIONArticle in journal (Refereed) Published
Abstract [en]

The performance of traditionally used converter control strategies in a multi-terminal dc system depends on the ac system conditions. One limiting factor for the converter controls to perform well is the short-circuit capacity of the ac system. This work is motivated by the rapid proliferation of high-voltage dc technology, which enables many converter stations being linked together by a dc transmission network. The dc network can be embedded in the conventional ac network and used to facilitate large power transfers across great distances between the interconnecting terminals. A previously proposed control method, power-synchronization control, has been demonstrated to perform well on a point-to-point high-voltage direct current link in connection to a weak ac system. In this paper, the potential of power-synchronization control is demonstrated in a multi-terminal dc grid with one very weak ac system connection.

Place, publisher, year, edition, pages
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Energy Engineering
URN: urn:nbn:se:kth:diva-164506DOI: 10.1109/PESGM.2014.6939159ISI: 000349551502012ISBN: 978-1-4799-6415-4OAI: diva2:805998
IEEE PES General Meeting, JUL 27-31, 2014, National Harbor, MD

QC 20150417

Available from: 2015-04-17 Created: 2015-04-17 Last updated: 2015-04-17Bibliographically approved

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Rogersten, RobertZhang, Lidong
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