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Global asymptotic stability of modular multilevel converters with measurement lag and circulating-current control
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.ORCID iD: 0000-0002-1755-1365
2013 (English)In: Power Electronics and Applications (EPE), 2013, IEEE , 2013, 1-10 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, previously developed stability results for open-loop sum-capacitor-voltage control of modular multilevel converters are extended. To obtain improved damping, circulating-current feedback is included in the control law. A first-order measurement lag is added to this feedback. With these additions, global asymptotic stability is proven. Careful consideration of the online control-law computation is given, since this is the most critical part of the control system. Experimental results verify the theory.

Place, publisher, year, edition, pages
IEEE , 2013. 1-10 p.
Keyword [en]
Active damping, Converter control, Estimation technique, Multilevel converters, Non-linear control
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
SRA - Energy
Identifiers
URN: urn:nbn:se:kth:diva-139083DOI: 10.1109/EPE.2013.6634453Scopus ID: 2-s2.0-84890238092OAI: oai:DiVA.org:kth-139083DiVA: diva2:683627
Conference
Power Electronics and Applications (EPE), 2013 15th European Conference on
Funder
StandUp
Note

QC 20140129

Available from: 2014-01-05 Created: 2014-01-05 Last updated: 2016-02-25Bibliographically approved

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Nee, Hans-Peter

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  • apa
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  • en-US
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  • nn-NB
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  • Other locale
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