Soft-switching topology for a fault-tolerant neutral-point-clamped converter

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dc.contributor.authorCeballos, Salvador
dc.contributor.authorPou, Josep
dc.contributor.authorZaragoza, Jordi
dc.contributor.authorRobles, Eider
dc.contributor.authorVillate, José Luis
dc.contributor.authorMartín, José Luis
dc.contributor.institutionPOWER ELECTRONICS AND SYSTEM EQUIPMENT
dc.contributor.institutionGENERAL
dc.date.accessioned2024-07-24T11:46:32Z
dc.date.available2024-07-24T11:46:32Z
dc.date.issued2007
dc.description.abstractThis paper presents a new three-level topology based on the neutral-point-clamped converter. The new topology includes a fourth leg that provides fault tolerance to the converter. Furthermore, during normal operation mode, this leg is able to provide a stiff neutral voltage. Consequently, the low-frequency voltage oscillations that appear in the neutral point of the standard three-level topology for some operation conditions no longer exist. As a result, the modulation strategy of the three main legs of the converter does not have to take care of voltage balance, and it can be design to improve the efficiency of the converter. On the other hand, the addition of a fourth leg to the converter produces additional losses. However, in order to eliminate switching losses of this leg, all the power devices commutate under zero-current or zero-voltage transitions. Some simulation results are presented to show viability of this approach under both, normal operation mode and fault event.en
dc.description.statusPeer reviewed
dc.format.extent6
dc.identifier.citationCeballos , S , Pou , J , Zaragoza , J , Robles , E , Villate , J L & Martín , J L 2007 , Soft-switching topology for a fault-tolerant neutral-point-clamped converter . in 2007 IEEE International Symposium on Industrial Electronics, ISIE 2007, Proceedings . , 4375125 , IEEE International Symposium on Industrial Electronics , pp. 3186-3191 , 2007 IEEE International Symposium on Industrial Electronics, ISIE 2007 , Caixanova - Vigo , Spain , 4/06/07 . https://doi.org/10.1109/ISIE.2007.4375125
dc.identifier.citationconference
dc.identifier.doi10.1109/ISIE.2007.4375125
dc.identifier.isbn1424407559
dc.identifier.isbn9781424407552
dc.identifier.urihttps://hdl.handle.net/11556/1570
dc.identifier.urlhttp://www.scopus.com/inward/record.url?scp=50049093222&partnerID=8YFLogxK
dc.language.isoeng
dc.relation.ispartof2007 IEEE International Symposium on Industrial Electronics, ISIE 2007, Proceedings
dc.relation.ispartofseriesIEEE International Symposium on Industrial Electronics
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.subject.keywordsEfficiency
dc.subject.keywordsFault tolerance
dc.subject.keywordsMultilevel converter
dc.subject.keywordsNeutral-point-clamped (NPC) converter
dc.subject.keywordsReliability
dc.subject.keywordsVoltage oscillation
dc.subject.keywordsElectrical and Electronic Engineering
dc.titleSoft-switching topology for a fault-tolerant neutral-point-clamped converteren
dc.typeconference output
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