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Conference Paper: Design and analysis on reduced switching frequency current mode control isolated power converters for light load efficiency

TitleDesign and analysis on reduced switching frequency current mode control isolated power converters for light load efficiency
Authors
KeywordsIsolated DC/DC converters
Multiple modes
Light load efficiency
Pulse frequency modulation PFM
Mixed signal control
Issue Date2009
PublisherIEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1002943
Citation
The Inaugural IEEE Energy Conversion Congress and Exposition (ECCE 2009), San Jose, CA., 20-24 September 2009. In Proceedings of the IEEE Energy Conversion Congress and Exposition, 2009, p. 3268-3273 How to Cite?
AbstractThis paper focus on improving light load efficiency of isolated DC/DC converters. A mixed signal control platform is proposed to implement multiple-mode variable frequency control. An 8-bit Micro Controller Unit MCU is used in the platform to provide adaptive control schemes and cost effectiveness digital solutions. Small signal analysis is covered to explain frequency modulation effects. Control of isolation transformer flux swing to avoid saturation is also implemented, to provide safe operation both in steady and transient states. A 300 Watt prototype Two-FET forward converter is built up to verify the proposed mixed signal control platform. © 2009 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/132190
ISBN
References

 

DC FieldValueLanguage
dc.contributor.authorYu, Ren_HK
dc.contributor.authorPong, MHen_HK
dc.date.accessioned2011-03-21T09:00:15Z-
dc.date.available2011-03-21T09:00:15Z-
dc.date.issued2009en_HK
dc.identifier.citationThe Inaugural IEEE Energy Conversion Congress and Exposition (ECCE 2009), San Jose, CA., 20-24 September 2009. In Proceedings of the IEEE Energy Conversion Congress and Exposition, 2009, p. 3268-3273en_HK
dc.identifier.isbn978-1-4244-2893-9-
dc.identifier.urihttp://hdl.handle.net/10722/132190-
dc.description.abstractThis paper focus on improving light load efficiency of isolated DC/DC converters. A mixed signal control platform is proposed to implement multiple-mode variable frequency control. An 8-bit Micro Controller Unit MCU is used in the platform to provide adaptive control schemes and cost effectiveness digital solutions. Small signal analysis is covered to explain frequency modulation effects. Control of isolation transformer flux swing to avoid saturation is also implemented, to provide safe operation both in steady and transient states. A 300 Watt prototype Two-FET forward converter is built up to verify the proposed mixed signal control platform. © 2009 IEEE.en_HK
dc.languageengen_US
dc.publisherIEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1002943-
dc.relation.ispartofProceedings of the IEEE Energy Conversion Congress and Expositionen_HK
dc.rightsProceedings of the IEEE Energy Conversion Congress and Exposition. Copyright © IEEE.-
dc.rights©2009 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.subjectIsolated DC/DC convertersen_HK
dc.subjectMultiple modesen_HK
dc.subjectLight load efficiencyen_HK
dc.subjectPulse frequency modulation PFMen_HK
dc.subjectMixed signal controlen_HK
dc.titleDesign and analysis on reduced switching frequency current mode control isolated power converters for light load efficiencyen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailYu, R: yry721@eee.hku.hken_HK
dc.identifier.emailPong, MH: mhp@eee.hku.hk-
dc.identifier.authorityPong, MH=rp00163en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/ECCE.2009.5316051en_HK
dc.identifier.scopuseid_2-s2.0-72449206540en_HK
dc.identifier.hkuros178506en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-72449206540&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.spage3268en_HK
dc.identifier.epage3273en_HK
dc.publisher.placeUnited States-
dc.description.otherThe Inaugural IEEE Energy Conversion Congress and Exposition (ECCE 2009), San Jose, CA., 20-24 September 2009. In Proceedings of the IEEE Energy Conversion Congress and Exposition, 2009, p. 3268-3273-
dc.identifier.scopusauthoridPong, MH=7003449364en_HK
dc.identifier.scopusauthoridRuiyang, Y=35230851000en_HK

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