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Analysis and Optimization of the Loss Distribution for a Two Stage AC/DC Power Supply

dc.date.accessioned2024-02-26T15:45:49Z
dc.date.available2024-02-26T15:45:49Z
dc.date.issued2023-12-12
dc.identifierdoi:10.17170/kobra-202402239649
dc.identifier.urihttp://hdl.handle.net/123456789/15493
dc.description.sponsorshipGefördert durch den Publikationsfonds der Universität Kasselger
dc.language.isoeng
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectAC-DC power conversioneng
dc.subjectDC-DC power conversioneng
dc.subjectDC power systemseng
dc.subjectmodelingeng
dc.subjectoptimization methodseng
dc.subjectpower electronicseng
dc.subject.ddc600
dc.subject.ddc333
dc.titleAnalysis and Optimization of the Loss Distribution for a Two Stage AC/DC Power Supplyeng
dc.typeAufsatz
dcterms.abstractThis paper presents the analysis and optimization procedure of a two-stage bidirectional AC/DC power supply. The exemplary power supply consists of a silicon carbide based active front end and a dual active bridge DC/DC converter. It is designed to supply 600 V DC applications from universal low voltage AC grids with a power up to 6 kW. The paper includes the topology and design considerations, as well as an in-depth loss distribution analysis based on a validated loss model. The loss model is then utilized for an operation space optimization. A special focus is drawn to the loss model and the optimization: It is based on analytical equations optimized for a low calculation effort. This enables quick modeling of a large operation space. Those results can both be used to validate design considerations as well as to optimize operating parameters. The presented dynamic operating parameter optimization enables a loss reduction at full load by 14% and at half load by even 48%. By means of the optimization the operating area can be expanded, losses decreased, and thermal stress reduced.eng
dcterms.accessRightsopen access
dcterms.creatorFräger, Lukas
dcterms.creatorFriebe, Jens
dc.relation.doidoi:10.1109/OJPEL.2023.3341701
dc.relation.projectidGrant Number: 03EN2010A-G
dc.subject.swdWechselstromger
dc.subject.swdGleichspannungger
dc.subject.swdEnergieumwandlungger
dc.subject.swdVerlustverteilungger
dc.subject.swdOptimierungger
dc.subject.swdModellierungger
dc.subject.swdLeistungselektronikger
dc.type.versionpublishedVersion
dcterms.source.identifiereissn:2644-1314
dcterms.source.journalIEEE Opnen Journal of Power Electronicseng
dcterms.source.pageinfo275-285
dcterms.source.volumeVolume 5
kup.iskupfalse


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