Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/97404
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dc.contributor.authorSoon, Jing Junen
dc.contributor.authorLow, Kay-Soonen
dc.date.accessioned2015-08-25T07:34:23Zen
dc.date.accessioned2019-12-06T19:42:16Z-
dc.date.available2015-08-25T07:34:23Zen
dc.date.available2019-12-06T19:42:16Z-
dc.date.copyright2015en
dc.date.issued2015en
dc.identifier.citationSoon, J. J., & Low, K.-S. (2015). Sigma-Z-source inverters. IET Power Electronics, 8(5), 715-723.en
dc.identifier.issn1755-4535en
dc.identifier.urihttps://hdl.handle.net/10356/97404-
dc.description.abstractTo increase the boost capability with minimum passive components, existing transformer-based Z-source inverter (ZSI) topologies require the turn ratio to be increased. This results in larger transformer windings to be used in high dc-ac voltage gain applications. This shortcoming is addressed in this study by introducing a sigma-ZSI (ΣZSI) that improves the dc-ac voltage gain by reducing the turn ratio leading to a lower winding transformer. The proposed topology is compared with the TZSI as they used the same number of transformers and capacitors configured in an X-shaped network. The comparison shows that the ΣZSI will have a higher dc-ac voltage gain at a turn ratio lower than 1.618 for a given shoot-through duty cycle allowing the use of smaller transformers. Simulation and experimental results have validated the effectiveness of the proposed ΣZSI.en
dc.language.isoenen
dc.relation.ispartofseriesIET power electronicsen
dc.rights© 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at: [http://dx.doi.org/10.1049/iet-pel.2014.0274].en
dc.subjectDRNTU::Engineering::Electrical and electronic engineering::Power electronicsen
dc.titleSigma-Z-source invertersen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.identifier.doi10.1049/iet-pel.2014.0274en
dc.description.versionAccepted versionen
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