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Article: Computer-aided design and optimization of high-efficiency LLC series resonant converter

TitleComputer-aided design and optimization of high-efficiency LLC series resonant converter
Authors
KeywordsComputer-Aided Design
Efficiency
Llc Resonant Converter
Optimization
Power Converter
Issue Date2012
Citation
IEEE Transactions On Power Electronics, 2012, v. 27 n. 7, p. 3243-3256 How to Cite?
AbstractHigh conversion efficiency is desired in switch mode power supply converters. Computer-aided design optimization is emerging as a promising way to design power converters. In this work a systematic optimization procedure is proposed to optimize LLC series resonant converter full load efficiency. A mode solver technique is proposed to handle LLC converter steady-state solutions. The mode solver utilizes numerical nonlinear programming techniques to solve LLC-state equations and determine operation mode. Loss models are provided to calculate total component losses using the current and voltage information derived from the mode solver. The calculated efficiency serves as the objective function to optimize the converter efficiency. A prototype 300-W 400-V to 12-V LLC converter is built using the optimization results. Details of design variables, boundaries, equality/inequality constraints, and loss distributions are given. An experimental full-load efficiency of 97.07 is achieved compared to a calculated 97.4 efficiency. The proposed optimization procedure is an effective way to design high-efficiency LLC converters. © 1986-2012 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/157188
ISSN
2015 Impact Factor: 4.953
2015 SCImago Journal Rankings: 3.005
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYu, Ren_US
dc.contributor.authorHo, GKYen_US
dc.contributor.authorPong, BMHen_US
dc.contributor.authorLing, BWKen_US
dc.contributor.authorLam, Jen_US
dc.date.accessioned2012-08-08T08:45:43Z-
dc.date.available2012-08-08T08:45:43Z-
dc.date.issued2012en_US
dc.identifier.citationIEEE Transactions On Power Electronics, 2012, v. 27 n. 7, p. 3243-3256en_US
dc.identifier.issn0885-8993en_US
dc.identifier.urihttp://hdl.handle.net/10722/157188-
dc.description.abstractHigh conversion efficiency is desired in switch mode power supply converters. Computer-aided design optimization is emerging as a promising way to design power converters. In this work a systematic optimization procedure is proposed to optimize LLC series resonant converter full load efficiency. A mode solver technique is proposed to handle LLC converter steady-state solutions. The mode solver utilizes numerical nonlinear programming techniques to solve LLC-state equations and determine operation mode. Loss models are provided to calculate total component losses using the current and voltage information derived from the mode solver. The calculated efficiency serves as the objective function to optimize the converter efficiency. A prototype 300-W 400-V to 12-V LLC converter is built using the optimization results. Details of design variables, boundaries, equality/inequality constraints, and loss distributions are given. An experimental full-load efficiency of 97.07 is achieved compared to a calculated 97.4 efficiency. The proposed optimization procedure is an effective way to design high-efficiency LLC converters. © 1986-2012 IEEE.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Transactions on Power Electronicsen_US
dc.rightsIEEE Transactions on Power Electronics. Copyright © IEEE-
dc.rights©2012 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectComputer-Aided Designen_US
dc.subjectEfficiencyen_US
dc.subjectLlc Resonant Converteren_US
dc.subjectOptimizationen_US
dc.subjectPower Converteren_US
dc.titleComputer-aided design and optimization of high-efficiency LLC series resonant converteren_US
dc.typeArticleen_US
dc.identifier.emailLam, J:james.lam@hku.hken_US
dc.identifier.authorityLam, J=rp00133en_US
dc.description.naturepublished_or_final_versionen_US
dc.identifier.doi10.1109/TPEL.2011.2179562en_US
dc.identifier.scopuseid_2-s2.0-84859771712en_US
dc.identifier.hkuros201361-
dc.identifier.hkuros223459-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84859771712&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume27en_US
dc.identifier.issue7en_US
dc.identifier.spage3243en_US
dc.identifier.epage3256en_US
dc.identifier.isiWOS:000302534000013-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridYu, R=54972303700en_US
dc.identifier.scopusauthoridHo, GKY=55184900900en_US
dc.identifier.scopusauthoridPong, BMH=54980811800en_US
dc.identifier.scopusauthoridLing, BWK=26643121600en_US
dc.identifier.scopusauthoridLam, J=7201973414en_US

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