Control of a single-switch two-input buck converter for MPPT of two PV strings

Urtasun, A; Dah-Chuan Lu, D

Control of a single-switch two-input buck converter for MPPT of two PV strings

Urtasun, A Dah-Chuan Lu, D

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Publication Type:: Conference Proceeding
Citation:: 2014 Australasian Universities Power Engineering Conference, AUPEC 2014 - Proceedings, 2014
Issue Date:: 2014-01-01

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Field	Value	Language
dc.contributor.author	Urtasun, A	en_US
dc.contributor.author	Dah-Chuan Lu, D https://orcid.org/0000-0003-2145-0580	en_US
dc.date.issued	2014-01-01	en_US
dc.identifier.citation	2014 Australasian Universities Power Engineering Conference, AUPEC 2014 - Proceedings, 2014	en_US
dc.identifier.isbn	9780646923758	en_US
dc.identifier.uri	http://hdl.handle.net/10453/119228
dc.description.abstract	© 2014 ACPE. In this paper, the configuration composed by a Two-Input Buck (TIBuck) converter and a boost inverter is proposed for low-voltage grid-connected PV systems. This configuration is attractive for this application because it has high efficiency and can achieve dual maximum power point tracking (MPPT) with only one active switch. However, in this system, the nonlinear characteristics of the converter and the two PV arrays complicate the control. By means of a small-signal modeling, the control theme of the two PV voltages is formulated and the effect of the nonlinearities is presented. Simulation results are reported to validate the theoretical analysis, showing the dual MPPT capability.	en_US
dc.relation.ispartof	2014 Australasian Universities Power Engineering Conference, AUPEC 2014 - Proceedings	en_US
dc.relation.isbasedon	10.1109/AUPEC.2014.6966544	en_US
dc.rights	info:eu-repo/semantics/openAccess
dc.title	Control of a single-switch two-input buck converter for MPPT of two PV strings	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	open_access	*
pubs.publication-status	Published	en_US

Abstract:

© 2014 ACPE. In this paper, the configuration composed by a Two-Input Buck (TIBuck) converter and a boost inverter is proposed for low-voltage grid-connected PV systems. This configuration is attractive for this application because it has high efficiency and can achieve dual maximum power point tracking (MPPT) with only one active switch. However, in this system, the nonlinear characteristics of the converter and the two PV arrays complicate the control. By means of a small-signal modeling, the control theme of the two PV voltages is formulated and the effect of the nonlinearities is presented. Simulation results are reported to validate the theoretical analysis, showing the dual MPPT capability.

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http://hdl.handle.net/10453/119228