Y-source impedance-network-based isolated boost DC/DC converter

Siwakoti, YP; Town, GE; Loh, PC; Blaabjerg, F

Y-source impedance-network-based isolated boost DC/DC converter

Siwakoti, YP

Town, GE Loh, PC Blaabjerg, F

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Publication Type:: Conference Proceeding
Citation:: 2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014, 2014, pp. 1801 - 1805
Issue Date:: 2014-01-01

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Field	Value	Language
dc.contributor.author	Siwakoti, YP https://orcid.org/0000-0002-3869-412X	en_US
dc.contributor.author	Town, GE	en_US
dc.contributor.author	Loh, PC	en_US
dc.contributor.author	Blaabjerg, F	en_US
dc.date.issued	2014-01-01	en_US
dc.identifier.citation	2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014, 2014, pp. 1801 - 1805	en_US
dc.identifier.isbn	9781479927050	en_US
dc.identifier.uri	http://hdl.handle.net/10453/120290
dc.description.abstract	A dc-dc converter with very high voltage gain is proposed in this paper for any medium-power application requiring a high voltage boost with galvanic isolation. The proposed converter topology can be realized using only two switches. With this topology a very high voltage boost can be achieved even with a relatively low duty cycle of the switches, and the gain obtainable is presently not matched by any existing impedance network based converter operated at the same duty ratio. The proposed converter has a Y-source impedance network to boost the voltage at the intermediate dc-link side and a push-pull transformer for square-wave AC inversion and isolation. The voltage-doubler rectifier provides a constant dc voltage at the output stage. A theoretical analysis of the converter is presented, supported by simulation and experimental results. A 250 W down-scaled prototype was implemented in the laboratory to demonstrate the feasibility and performance of the proposed converter topology. © 2014 IEEE.	en_US
dc.relation.ispartof	2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014	en_US
dc.relation.isbasedon	10.1109/IPEC.2014.6869828	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Y-source impedance-network-based isolated boost DC/DC converter	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:

A dc-dc converter with very high voltage gain is proposed in this paper for any medium-power application requiring a high voltage boost with galvanic isolation. The proposed converter topology can be realized using only two switches. With this topology a very high voltage boost can be achieved even with a relatively low duty cycle of the switches, and the gain obtainable is presently not matched by any existing impedance network based converter operated at the same duty ratio. The proposed converter has a Y-source impedance network to boost the voltage at the intermediate dc-link side and a push-pull transformer for square-wave AC inversion and isolation. The voltage-doubler rectifier provides a constant dc voltage at the output stage. A theoretical analysis of the converter is presented, supported by simulation and experimental results. A 250 W down-scaled prototype was implemented in the laboratory to demonstrate the feasibility and performance of the proposed converter topology. © 2014 IEEE.

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http://hdl.handle.net/10453/120290