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Passivity-Based Controller Design of Grid-Connected VSCs for Prevention of Electrical Resonance Instability
KTH, School of Electrical Engineering (EES), Electric Power Systems. ABB Corporate Research, Västerås, Sweden .
2015 (English)In: IEEE transactions on industrial electronics (1982. Print), ISSN 0278-0046, Vol. 62, no 2, 702-710 p.Article in journal (Refereed) Published
Abstract [en]

The time delay in the current control loop of a grid-connected voltage-source converter (VSC) may cause destabilization of electrical resonances in the grid or in the VSC's input filter. Instability is prevented if the input admittance of the VSC can be made passive. This paper presents an analytical controller design method for obtaining passivity. The method is equally applicable to single-and three-phase systems, i.e., in the latter case, for both stationary-and synchronous-frame control. Simulations and experiments verify the theoretical results.

Place, publisher, year, edition, pages
2015. Vol. 62, no 2, 702-710 p.
Keyword [en]
Converter control, LCL filter, passivation, resonances, stabilization
National Category
Control Engineering
URN: urn:nbn:se:kth:diva-161963DOI: 10.1109/TIE.2014.2336632ISI: 000347799500004ScopusID: 2-s2.0-84920912012OAI: diva2:800668

QC 20150407

Available from: 2015-04-07 Created: 2015-03-20 Last updated: 2015-04-07Bibliographically approved

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Harnefors, Lennart
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