Interleaved Operation of Three-Level Neutral Point Clamped Converter Legs and Reduction of Circulating Currents under SHE-PWM

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dc.contributor.authorKonstantinou, Georgios
dc.contributor.authorPou, Josep
dc.contributor.authorCapella, Gabriel J.
dc.contributor.authorSong, Kejian
dc.contributor.authorCeballos, Salvador
dc.contributor.authorAgelidis, Vassilios G.
dc.contributor.institutionPOWER ELECTRONICS AND SYSTEM EQUIPMENT
dc.date.issued2016-06
dc.descriptionPublisher Copyright: © 2016 IEEE.
dc.description.abstractInterleaving of voltage-source converter (VSC) legs enables higher output currents per phase, effectively increasing the power rating without increasing semiconductor ratings. However, the interleaved operation results in circulating currents between each phase converter legs as well as a zero-sequence circulating current (ZSCC), which become quite prominent when the converters operate with low switching frequencies. This paper demonstrates the interleaved operation of three-level converters under selective harmonic elimination pulsewidth modulation (SHE-PWM). A controller for the circulating current within the legs of each phase is also proposed. The controller is used in combination with optimally selected SHE-PWM patterns to generate the maximum number of voltage levels and minimize the peak value of the circulating current. Simulation and experimental results show the interleaved operation and the effect of SHE-PWM pattern selection in the overall system.en
dc.description.statusPeer reviewed
dc.format.extent10
dc.identifier.citationKonstantinou , G , Pou , J , Capella , G J , Song , K , Ceballos , S & Agelidis , V G 2016 , ' Interleaved Operation of Three-Level Neutral Point Clamped Converter Legs and Reduction of Circulating Currents under SHE-PWM ' , IEEE Transactions on Industrial Electronics , vol. 63 , no. 6 , 7393546 , pp. 3323-3332 . https://doi.org/10.1109/TIE.2016.2521729
dc.identifier.doi10.1109/TIE.2016.2521729
dc.identifier.issn0278-0046
dc.identifier.otherresearchoutputwizard: 11556/336
dc.identifier.urlhttp://www.scopus.com/inward/record.url?scp=84970028438&partnerID=8YFLogxK
dc.language.isoeng
dc.relation.ispartofIEEE Transactions on Industrial Electronics
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subject.keywordsInterleaving
dc.subject.keywordsmultilevel converters
dc.subject.keywordsparallel legs
dc.subject.keywordsMultilevel waveforms
dc.subject.keywordsSelective harmonic elimination pulsewidth modulation (SHE-PWM)
dc.subject.keywordsVoltage-source converters (VSCs)
dc.subject.keywordsInterleaving
dc.subject.keywordsMultilevel converters
dc.subject.keywordsMultilevel waveforms
dc.subject.keywordsParallel legs
dc.subject.keywordsSelective harmonic elimination pulsewidth modulation (SHE-PWM)
dc.subject.keywordsVoltage-source converters (VSCs)
dc.subject.keywordsControl and Systems Engineering
dc.subject.keywordsElectrical and Electronic Engineering
dc.titleInterleaved Operation of Three-Level Neutral Point Clamped Converter Legs and Reduction of Circulating Currents under SHE-PWMen
dc.typejournal article
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