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Conference Paper: Optimal design of a hybrid winding structure for planar contactless battery charging platform

TitleOptimal design of a hybrid winding structure for planar contactless battery charging platform
Authors
KeywordsCoreless transformer
Multi-load application
Planar contactless battery charger
Issue Date2006
PublisherIEEE
Citation
Conference Record - Ias Annual Meeting (Ieee Industry Applications Society), 2006, v. 5, p. 2568-2575 How to Cite?
AbstractPlanar contactless battery charging platform is an emerging technology that has the potential of unifying the charging protocols of portable consumer electronic products. In this paper, a new hybrid structure which consists of a coil and a spiral winding is proposed for improving the uniform magnetic field distribution over the charging surface. An analysis into an optimal design of the number of turns and the dimension of the spiral winding is presented for a given concentrated coil. The uniform magnetic field distribution of the designed prototype is measured by an EMC scanner and by an energy-receiving coil. Based on circuit modeling and analysis, the inverter circuit topology and particularly the resonant compensation tank is designed for maximizing power transfer for multi-load applications. A design procedure is proposed and verified by the experiments. An efficiency of about 80% has been achieved for the coupling structure itself when four loads are charged on the platform simultaneously. © 2006 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/136961
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorLiu, Xen_HK
dc.contributor.authorHui, SYen_HK
dc.date.accessioned2011-07-29T02:13:49Z-
dc.date.available2011-07-29T02:13:49Z-
dc.date.issued2006en_HK
dc.identifier.citationConference Record - Ias Annual Meeting (Ieee Industry Applications Society), 2006, v. 5, p. 2568-2575en_HK
dc.identifier.issn0197-2618en_HK
dc.identifier.urihttp://hdl.handle.net/10722/136961-
dc.description.abstractPlanar contactless battery charging platform is an emerging technology that has the potential of unifying the charging protocols of portable consumer electronic products. In this paper, a new hybrid structure which consists of a coil and a spiral winding is proposed for improving the uniform magnetic field distribution over the charging surface. An analysis into an optimal design of the number of turns and the dimension of the spiral winding is presented for a given concentrated coil. The uniform magnetic field distribution of the designed prototype is measured by an EMC scanner and by an energy-receiving coil. Based on circuit modeling and analysis, the inverter circuit topology and particularly the resonant compensation tank is designed for maximizing power transfer for multi-load applications. A design procedure is proposed and verified by the experiments. An efficiency of about 80% has been achieved for the coupling structure itself when four loads are charged on the platform simultaneously. © 2006 IEEE.en_HK
dc.languageengen_US
dc.publisherIEEEen_US
dc.relation.ispartofConference Record - IAS Annual Meeting (IEEE Industry Applications Society)en_HK
dc.subjectCoreless transformeren_HK
dc.subjectMulti-load applicationen_HK
dc.subjectPlanar contactless battery chargeren_HK
dc.titleOptimal design of a hybrid winding structure for planar contactless battery charging platformen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailHui, SY:ronhui@eee.hku.hken_HK
dc.identifier.authorityHui, SY=rp01510en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/IAS.2006.256900en_HK
dc.identifier.scopuseid_2-s2.0-34948862865en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34948862865&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume5en_HK
dc.identifier.spage2568en_HK
dc.identifier.epage2575en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLiu, X=24724562000en_HK
dc.identifier.scopusauthoridHui, SY=7202831744en_HK

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