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Article: On the relationship of quality factor and hollow winding structure of coreless printed spiral winding (CPSW) inductor

TitleOn the relationship of quality factor and hollow winding structure of coreless printed spiral winding (CPSW) inductor
Authors
KeywordsPlanar Magnetics
Quality Factor
Issue Date2012
PublisherIEEE.
Citation
IEEE Transactions on Power Electronics, 2012, v. 27 n. 6, p. 3050-3056 How to Cite?
Abstract
The principle of using hollow spiral winding is not novel, but the study on this topic is far from complete. In this paper, how hollow the central region of the coreless printed spiral winding (CPSW) inductor should be for a given footprint area in order to achieve the maximal quality factor Q max and to maintain high inductance value is explored. A hollow factor based on the ratio of the inner hollow radius and the outer winding radius τ = R in/R out, is proposed as for optimization and quantifying how hollow a spiral winding is. The relationship between τ and Q max, which depends on the operating frequency and the dimensional parameters of CPSW inductor, is established. For a specific operating frequency, it is discovered that if the conductor width is comparable with the skin depth, or the conductors are placed relatively far away from each others, the hollow design of the CPSW inductor has little improvement on Q but reduces the inductance. If the conductor width is much larger than the skin depth and the conductors are closely placed, the hollow spiral design is recommended. The optimal range of τ with which the Q max can be achieved is found to be around 0.45-0.55. © 2006 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/155744
ISSN
2013 Impact Factor: 5.726
2013 SCImago Journal Rankings: 2.866
ISI Accession Number ID
Funding AgencyGrant Number
Hong Kong Research Grant CouncilHKU114410
Funding Information:

This work was supported by the Hong Kong Research Grant Council under Project HKU114410. Recommended for publication by Associate Editor R.-L. Lin.

References

 

DC FieldValueLanguage
dc.contributor.authorSu, Yen_US
dc.contributor.authorLiu, Xen_US
dc.contributor.authorLee, CKen_US
dc.contributor.authorHui, SYen_US
dc.creatorjt 130319-
dc.date.accessioned2012-08-08T08:35:08Z-
dc.date.available2012-08-08T08:35:08Z-
dc.date.issued2012en_US
dc.identifier.citationIEEE Transactions on Power Electronics, 2012, v. 27 n. 6, p. 3050-3056en_US
dc.identifier.issn0885-8993en_US
dc.identifier.urihttp://hdl.handle.net/10722/155744-
dc.description.abstractThe principle of using hollow spiral winding is not novel, but the study on this topic is far from complete. In this paper, how hollow the central region of the coreless printed spiral winding (CPSW) inductor should be for a given footprint area in order to achieve the maximal quality factor Q max and to maintain high inductance value is explored. A hollow factor based on the ratio of the inner hollow radius and the outer winding radius τ = R in/R out, is proposed as for optimization and quantifying how hollow a spiral winding is. The relationship between τ and Q max, which depends on the operating frequency and the dimensional parameters of CPSW inductor, is established. For a specific operating frequency, it is discovered that if the conductor width is comparable with the skin depth, or the conductors are placed relatively far away from each others, the hollow design of the CPSW inductor has little improvement on Q but reduces the inductance. If the conductor width is much larger than the skin depth and the conductors are closely placed, the hollow spiral design is recommended. The optimal range of τ with which the Q max can be achieved is found to be around 0.45-0.55. © 2006 IEEE.en_US
dc.languageengen_US
dc.publisherIEEE.-
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.subjectPlanar Magneticsen_US
dc.subjectQuality Factoren_US
dc.titleOn the relationship of quality factor and hollow winding structure of coreless printed spiral winding (CPSW) inductoren_US
dc.typeArticleen_US
dc.identifier.emailHui, SY:ronhui@eee.hku.hken_US
dc.identifier.authorityHui, SY=rp01510en_US
dc.description.naturepublished_or_final_versionen_US
dc.identifier.doi10.1109/TPEL.2011.2174654en_US
dc.identifier.scopuseid_2-s2.0-84859090171en_US
dc.identifier.hkuros205581-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84859090171&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume27en_US
dc.identifier.issue6en_US
dc.identifier.spage3050en_US
dc.identifier.epage3056en_US
dc.identifier.isiWOS:000302184600034-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridSu, Y=24468926200en_US
dc.identifier.scopusauthoridLiu, X=55146763800en_US
dc.identifier.scopusauthoridLee, CK=55147147400en_US
dc.identifier.scopusauthoridHui, SY=7202831744en_US

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