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Global asymptotic stability of current-controlled modular multilevel converters
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion. ABB, Sweden.
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.ORCID iD: 0000-0002-1755-1365
2015 (English)In: IEEE transactions on power electronics, ISSN 0885-8993, E-ISSN 1941-0107, Vol. 30, no 1, 249-258 p., 6883248Article in journal (Refereed) Published
Abstract [en]

In this paper, previously developed stability results for open-loop sum-capacitor-voltage control of modular multilevel converters are extended. To give improved damping, circulating-current feedback is included in the control law. With the output-current control loop and a first-order measurement lag taken into account, global asymptotic stability is proven. Careful consideration of the on-line sum-capacitor-voltage reference computation is given, since this is the most critical part of the control system.

Place, publisher, year, edition, pages
IEEE , 2015. Vol. 30, no 1, 249-258 p., 6883248
Keyword [en]
Converters, current control, Lyapunov methods, Multilevel systems
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
SRA - Energy
Identifiers
URN: urn:nbn:se:kth:diva-166904DOI: 10.1109/TPEL.2014.2298560ISI: 000341624200021Scopus ID: 2-s2.0-84906751265OAI: oai:DiVA.org:kth-166904DiVA: diva2:817967
Funder
Swedish Energy AgencyStandUp
Note

QC 20150608

Available from: 2015-06-08 Created: 2015-05-21 Last updated: 2017-12-04Bibliographically approved

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Nee, Hans-Peter

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Output format
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