A transformerless single-stage AC/DC converter with low output voltage

Ki, SK; Lu, DDC

A transformerless single-stage AC/DC converter with low output voltage

Ki, SK Lu, DDC

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Publication Type:: Conference Proceeding
Citation:: IEEE Energy Conversion Congress and Exposition: Energy Conversion Innovation for a Clean Energy Future, ECCE 2011, Proceedings, 2011, pp. 3458 - 3465
Issue Date:: 2011-11-28

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Field	Value	Language
dc.contributor.author	Ki, SK	en_US
dc.contributor.author	Lu, DDC https://orcid.org/0000-0003-2145-0580	en_US
dc.date.issued	2011-11-28	en_US
dc.identifier.citation	IEEE Energy Conversion Congress and Exposition: Energy Conversion Innovation for a Clean Energy Future, ECCE 2011, Proceedings, 2011, pp. 3458 - 3465	en_US
dc.identifier.isbn	9781457705427	en_US
dc.identifier.uri	http://hdl.handle.net/10453/119524
dc.description.abstract	This paper presents a novel tranformerless single-stage AC/DC converter suitable for universal line applications (90-270 Vrms). The topology integrates a buck power factor correction (PFC) cell with a buck-boost DC/DC cell and couples part of input power to the output directly. The proposed converter achieves efficient power conversion, sustainable power factor capability, low voltage stress on intermediate bus (less than 130V) and low output voltage. The absence of transformer reduces the component counts and cost of the converter. In addition, the main switch only handles the peak current of DC/DC cell rather than the superposition of both induction currents in two cells. Detailed analysis and design procedures of the proposed circuit are given and verified with the experiment. © 2011 IEEE.	en_US
dc.relation.ispartof	IEEE Energy Conversion Congress and Exposition: Energy Conversion Innovation for a Clean Energy Future, ECCE 2011, Proceedings	en_US
dc.relation.isbasedon	10.1109/ECCE.2011.6064236	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	A transformerless single-stage AC/DC converter with low output voltage	en_US
dc.type	Conference Proceeding
utslib.for	0906 Electrical and Electronic Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
pubs.publication-status	Published	en_US

Abstract:

This paper presents a novel tranformerless single-stage AC/DC converter suitable for universal line applications (90-270 Vrms). The topology integrates a buck power factor correction (PFC) cell with a buck-boost DC/DC cell and couples part of input power to the output directly. The proposed converter achieves efficient power conversion, sustainable power factor capability, low voltage stress on intermediate bus (less than 130V) and low output voltage. The absence of transformer reduces the component counts and cost of the converter. In addition, the main switch only handles the peak current of DC/DC cell rather than the superposition of both induction currents in two cells. Detailed analysis and design procedures of the proposed circuit are given and verified with the experiment. © 2011 IEEE.

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http://hdl.handle.net/10453/119524