Analysis and design of grid-connected 3-phase 3-level AT-NPC inverter for low-voltage applications

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dc.contributor.authorAvcı, Emre
dc.contributor.authorUçar, Mehmet
dc.date.accessioned2020-04-30T22:39:19Z
dc.date.available2020-04-30T22:39:19Z
dc.date.issued2017
dc.departmentDÜ, Mühendislik Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.descriptionWOS: 000404385700068en_US
dc.description.abstractThe 3-level T-type neutral point clamped (T-NPC) inverter has become the most popular multilevel inverter used in low-voltage applications. However, the realization of a bidirectional switch located at the midpoint leg of the T-NPC inverter is achieved using two insulated gate bipolar transistors (IGBTs) with two antiparallel diodes. Power dissipation in these switches is high since there are two semiconductors (an IGBT and a diode) in the current path at the midpoint leg. Switch losses can be reduced and thus the highest conversion efficiency can be achieved if the bidirectional switches in the T-NPC inverter are replaced by highly efficient reverse-blocking IGBTs (RB-IGBTs). The objective of this paper is to assess the performance of a 3-phase 3-level grid-connected advanced T-NPC (AT-NPC) inverter with RBIGBT for low-voltage applications. This paper describes the operating principle of the grid-connected AT-NPC inverter, analyzes the power losses, and discusses the control strategy. A 1.7-kW laboratory prototype is designed and built to verify the feasibility and the effectiveness of the proposed 3-phase 3-level grid-connected AT-NPC inverter. Real-time control of the inverter is experimentally achieved using a dSPACE DS1103 controller. The experimental results show that the efficiency of the proposed grid-connected inverter is about 96.3%.en_US
dc.description.sponsorshipScientific Research Projects Commission of Duzce University [2015.06.03.321]en_US
dc.description.sponsorshipThis study was supported by the Scientific Research Projects Commission of Duzce University (Grant No. 2015.06.03.321).en_US
dc.identifier.doi10.3906/elk-1603-159en_US
dc.identifier.endpage2478en_US
dc.identifier.issn1300-0632
dc.identifier.issn1303-6203
dc.identifier.issue3en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage2464en_US
dc.identifier.urihttps://doi.org/10.3906/elk-1603-159
dc.identifier.urihttps://hdl.handle.net/20.500.12684/2684
dc.identifier.volume25en_US
dc.identifier.wosWOS:000404385700068en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.publisherTubitak Scientific & Technical Research Council Turkeyen_US
dc.relation.ispartofTurkish Journal Of Electrical Engineering And Computer Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectRB-IGBTen_US
dc.subjectadvanced T-NPCen_US
dc.subjectgrid-connecteden_US
dc.subjecthighly efficient inverteren_US
dc.subjectthree-level inverteren_US
dc.subjectlow voltageen_US
dc.titleAnalysis and design of grid-connected 3-phase 3-level AT-NPC inverter for low-voltage applicationsen_US
dc.typeArticleen_US

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