Article: Using self-driven AC-DC synchronous rectifier as a direct replacement for traditional power diode rectifier

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Publisher Website: 10.1109/TIE.2011.2134052
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Title	Using self-driven AC-DC synchronous rectifier as a direct replacement for traditional power diode rectifier
Authors	Zhong, WX3 Hui, SY2 4 Ho, WC3 Liu, X1
Keywords	Energy Saving Mains-Frequency Synchronous Rectifiers (Srs) Self-Driven Srs (Sdsrs)
Issue Date	2012
Publisher	I E E E. The Journal's web site is located at http://www.ewh.ieee.org/soc/ies/ties/index.html
Citation	Ieee Transactions On Industrial Electronics, 2012, v. 59 n. 1, p. 392-401 [How to Cite?] DOI: http://dx.doi.org/10.1109/TIE.2011.2134052
Abstract	Synchronous rectification has previously been adopted in switched-mode circuits for reducing the conduction losses particularly in high-frequency, low-voltage, and high-current applications. This paper presents a generalized self-driven ac-dc synchronous rectification technique that can be used even at mains frequency to develop an ac-dc synchronous rectifier that behaves like a diode bridge but with much reduced conduction losses and without control integrated circuits. This generalized concept can be extended from single-phase to multiphase systems. Experiments based on 1- and 2-kW single-phase systems have been successfully conducted for capacitive, inductive, and resistive loads. Very significant power loss reduction (over 50%) has been achieved in the rectification stage at both 110- and 220-V ac mains operations. This patent-pending circuit can be regarded as a direct replacement of a general-purpose diode rectifier. Due to the reduction of power loss, further reduction in the size and cost of the heat sink or thermal management for the power circuit becomes possible. © 2011 IEEE.
ISSN	0278-0046 2011 Impact Factor: 5.16 2011 SCImago Journal Rankings: 0.131
DOI	http://dx.doi.org/10.1109/TIE.2011.2134052
ISI Accession Number ID	WOS:000295582200036
References	References in Scopus

DC Field	Value
dc.contributor.author	Zhong, WX
dc.contributor.author	Hui, SY
dc.contributor.author	Ho, WC
dc.contributor.author	Liu, X
dc.date.accessioned	2012-08-08T08:34:45Z
dc.date.available	2012-08-08T08:34:45Z
dc.date.issued	2012
dc.description.abstract	Synchronous rectification has previously been adopted in switched-mode circuits for reducing the conduction losses particularly in high-frequency, low-voltage, and high-current applications. This paper presents a generalized self-driven ac-dc synchronous rectification technique that can be used even at mains frequency to develop an ac-dc synchronous rectifier that behaves like a diode bridge but with much reduced conduction losses and without control integrated circuits. This generalized concept can be extended from single-phase to multiphase systems. Experiments based on 1- and 2-kW single-phase systems have been successfully conducted for capacitive, inductive, and resistive loads. Very significant power loss reduction (over 50%) has been achieved in the rectification stage at both 110- and 220-V ac mains operations. This patent-pending circuit can be regarded as a direct replacement of a general-purpose diode rectifier. Due to the reduction of power loss, further reduction in the size and cost of the heat sink or thermal management for the power circuit becomes possible. © 2011 IEEE.
dc.description.nature	published_or_final_version
dc.identifier.citation	Ieee Transactions On Industrial Electronics, 2012, v. 59 n. 1, p. 392-401 [How to Cite?] DOI: http://dx.doi.org/10.1109/TIE.2011.2134052
dc.identifier.doi	http://dx.doi.org/10.1109/TIE.2011.2134052
dc.identifier.epage	401
dc.identifier.hkuros	209248
dc.identifier.isi	WOS:000295582200036
dc.identifier.issn	0278-0046 2011 Impact Factor: 5.16 2011 SCImago Journal Rankings: 0.131
dc.identifier.issue	1
dc.identifier.scopus	eid_2-s2.0-80053649673
dc.identifier.spage	392
dc.identifier.uri	http://hdl.handle.net/10722/155671
dc.identifier.volume	59
dc.language	eng
dc.publisher	I E E E. The Journal's web site is located at http://www.ewh.ieee.org/soc/ies/ties/index.html
dc.publisher.place	United States
dc.relation.ispartof	IEEE Transactions on Industrial Electronics
dc.relation.references	References in Scopus
dc.rights	Creative Commons: Attribution 3.0 Hong Kong License
dc.subject	Energy Saving
dc.subject	Mains-Frequency Synchronous Rectifiers (Srs)
dc.subject	Self-Driven Srs (Sdsrs)
dc.title	Using self-driven AC-DC synchronous rectifier as a direct replacement for traditional power diode rectifier
dc.type	Article

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Author Affiliations

ConvenientPower HK Limited
The University of Hong Kong
City University of Hong Kong
Imperial College London