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Stability Analysis of Modular Multilevel Converters With Open-Loop Control
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.
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2013 (English)In: 39th Annual Conference of the IEEE Industrial Electronics Society, IECON 2013, IEEE , 2013, 6316-6321 p.Conference paper, Published paper (Refereed)
Abstract [en]

Modular multilevel converters (M2Cs) require that the controller is designed so that the submodule capacitor voltages are equalized and stable, independent of the loading conditions. Provided that the individual capacitor voltage sharing is managed effectively, an open-loop strategy can been designed to ensure that the total amount of energy stored inside the converter always will be controlled. This strategy, using the steady-state solutions of the dynamic equations for controlling the total stored energy in each converter arm, has proven to be effective. The intention of this paper is to explain in a rigorous way the mechanism behind the suggested strategy, and to prove that, when this open-loop strategy is used, the system becomes globally asymptotically stable.

Place, publisher, year, edition, pages
IEEE , 2013. 6316-6321 p.
Series
IEEE Industrial Electronics Society, ISSN 1553-572X
Keyword [en]
Lyapunov methods, modular multilevel converters, open-loop control, prototype
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-143475DOI: 10.1109/IECON.2013.6700174ISI: 000331149506027Scopus ID: 2-s2.0-84893598818ISBN: 978-1-4799-0224-8 (print)OAI: oai:DiVA.org:kth-143475DiVA: diva2:706963
Conference
39th Annual Conference of the IEEE Industrial-Electronics-Society (IECON), NOV 10-14, 2013, Vienna, Austria
Note

QC 20140324

Available from: 2014-03-24 Created: 2014-03-21 Last updated: 2014-03-24Bibliographically approved

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Nee, Hans-Peter

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Antonopoulos, AntoniosÄngquist, LennartHarnefors, LennartIlves, KalleNee, Hans-Peter
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CiteExportLink to record
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