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Article: A Multiphysics Design and Optimization Method for Air-Core Planar Transformers in High-Frequency LLC Resonant Converters

TitleA Multiphysics Design and Optimization Method for Air-Core Planar Transformers in High-Frequency LLC Resonant Converters
Authors
KeywordsAir-core planar transformer
High-frequency power supply
LLC resonant converter
Multiphysics design and optimization
Issue Date2020
PublisherInstitute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=41
Citation
IEEE Transactions on Industrial Electronics, 2020, v. 67 n. 2, p. 1605-1614 How to Cite?
AbstractAir-core planar transformers are attractive alternatives to ferrite-core transformers for high-frequency power converters, such as LLC resonant converters. Although many design methods have been proposed for LLC converters, most of them are based on traditional ferrite-core transformers. There is a lack of efficient methods to design and optimize air-core planar transformers for high-frequency LLC converters. This paper presents a multiphysics optimal design framework that combines multiple physical models, the progressive bisection design method, and the Bayesian optimization technique to address air-core planar transformer design issues. It has the following contributions. 1) Multiple physical models, including circuit model, magnetoquasistatic model, full-wave electromagnetic model, are built for transformer design and efficiency evaluation. 2) The progressive bisection method and Bayesian optimization algorithm are applied to accelerate the optimal design process. 3) The proposed framework can accurately and efficiently design optimal air-core planar transformers and optimize efficiency in LLC converters. 4) A high-frequency flexible and thin LLC converter is constructed using the optimal design method.
Persistent Identifierhttp://hdl.handle.net/10722/275005
ISSN
2023 Impact Factor: 7.5
2023 SCImago Journal Rankings: 3.395
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorHo, GKY-
dc.contributor.authorFang, Y-
dc.contributor.authorPong, BMH-
dc.date.accessioned2019-09-10T02:33:29Z-
dc.date.available2019-09-10T02:33:29Z-
dc.date.issued2020-
dc.identifier.citationIEEE Transactions on Industrial Electronics, 2020, v. 67 n. 2, p. 1605-1614-
dc.identifier.issn0278-0046-
dc.identifier.urihttp://hdl.handle.net/10722/275005-
dc.description.abstractAir-core planar transformers are attractive alternatives to ferrite-core transformers for high-frequency power converters, such as LLC resonant converters. Although many design methods have been proposed for LLC converters, most of them are based on traditional ferrite-core transformers. There is a lack of efficient methods to design and optimize air-core planar transformers for high-frequency LLC converters. This paper presents a multiphysics optimal design framework that combines multiple physical models, the progressive bisection design method, and the Bayesian optimization technique to address air-core planar transformer design issues. It has the following contributions. 1) Multiple physical models, including circuit model, magnetoquasistatic model, full-wave electromagnetic model, are built for transformer design and efficiency evaluation. 2) The progressive bisection method and Bayesian optimization algorithm are applied to accelerate the optimal design process. 3) The proposed framework can accurately and efficiently design optimal air-core planar transformers and optimize efficiency in LLC converters. 4) A high-frequency flexible and thin LLC converter is constructed using the optimal design method.-
dc.languageeng-
dc.publisherInstitute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=41-
dc.relation.ispartofIEEE Transactions on Industrial Electronics-
dc.subjectAir-core planar transformer-
dc.subjectHigh-frequency power supply-
dc.subjectLLC resonant converter-
dc.subjectMultiphysics design and optimization-
dc.titleA Multiphysics Design and Optimization Method for Air-Core Planar Transformers in High-Frequency LLC Resonant Converters-
dc.typeArticle-
dc.identifier.emailPong, BMH: mhp@eee.hku.hk-
dc.identifier.authorityPong, BMH=rp00163-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/TIE.2019.2910023-
dc.identifier.scopuseid_2-s2.0-85071111286-
dc.identifier.hkuros302907-
dc.identifier.volume67-
dc.identifier.issue2-
dc.identifier.spage1605-
dc.identifier.epage1614-
dc.identifier.isiWOS:000490873600069-
dc.publisher.placeUnited States-
dc.identifier.issnl0278-0046-

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