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Conference Paper: A comparative study on the circuit topologies for offline passive light-Emitting diode (LED) drivers with long lifetime & high efficiency

TitleA comparative study on the circuit topologies for offline passive light-Emitting diode (LED) drivers with long lifetime & high efficiency
Authors
Chen, WLi, SNHui, SYR
Issue Date2010
Citation
2010 Ieee Energy Conversion Congress And Exposition, Ecce 2010 - Proceedings, 2010, p. 724-730 How to Cite?
DOI: http://dx.doi.org/10.1109/ECCE.2010.5617934
AbstractIn this paper, we present a practical comparison on a range of circuit topologies suitable for passive LED drivers. These circuits consist of passive components and do not require any semiconductor controlled switches, auxiliary power supply and control integrated circuits. The power loss components, the energy efficiency and the output current ripple are examined. These passive LED drivers are particularly suitable for outdoor applications such as street lighting in which extreme weather conditions including lightning and wide temperature range, and maintenance issues are major concerns but the size of the LED drivers is not critical. With extremely simple and reliable circuitry, these passive LED drivers achieve remarkably high energy efficiency. Energy efficiency of 92-94% has been achieved for LED systems of 50W in this study. © 2010 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/158665
ISI Accession Number ID
WOS:000562726301002
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorChen, Wen_US
dc.contributor.authorLi, SNen_US
dc.contributor.authorHui, SYRen_US
dc.date.accessioned2012-08-08T09:00:45Z-
dc.date.available2012-08-08T09:00:45Z-
dc.date.issued2010en_US
dc.identifier.citation2010 Ieee Energy Conversion Congress And Exposition, Ecce 2010 - Proceedings, 2010, p. 724-730en_US
dc.identifier.urihttp://hdl.handle.net/10722/158665-
dc.description.abstractIn this paper, we present a practical comparison on a range of circuit topologies suitable for passive LED drivers. These circuits consist of passive components and do not require any semiconductor controlled switches, auxiliary power supply and control integrated circuits. The power loss components, the energy efficiency and the output current ripple are examined. These passive LED drivers are particularly suitable for outdoor applications such as street lighting in which extreme weather conditions including lightning and wide temperature range, and maintenance issues are major concerns but the size of the LED drivers is not critical. With extremely simple and reliable circuitry, these passive LED drivers achieve remarkably high energy efficiency. Energy efficiency of 92-94% has been achieved for LED systems of 50W in this study. © 2010 IEEE.en_US
dc.languageengen_US
dc.relation.ispartof2010 IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Proceedingsen_US
dc.titleA comparative study on the circuit topologies for offline passive light-Emitting diode (LED) drivers with long lifetime & high efficiencyen_US
dc.typeConference_Paperen_US
dc.identifier.emailHui, SYR:ronhui@eee.hku.hken_US
dc.identifier.authorityHui, SYR=rp01510en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/ECCE.2010.5617934en_US
dc.identifier.scopuseid_2-s2.0-78650158632en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-78650158632&selection=ref&src=s&origin=recordpageen_US
dc.identifier.spage724en_US
dc.identifier.epage730en_US
dc.identifier.isiWOS:000562726301002-
dc.identifier.scopusauthoridChen, W=36085935600en_US
dc.identifier.scopusauthoridLi, SN=36086429200en_US
dc.identifier.scopusauthoridHui, SYR=7202831744en_US

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