S4 grid-connected single-phase transformerless inverter for PV application

Ardashir, JF; Siwakoti, YP; Sabahi, M; Hosseini, SH; Blaabjerg, F

S4 grid-connected single-phase transformerless inverter for PV application

Ardashir, JF Siwakoti, YP

Sabahi, M Hosseini, SH Blaabjerg, F

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Publication Type:: Conference Proceeding
Citation:: IECON Proceedings (Industrial Electronics Conference), 2016, pp. 2384 - 2389
Issue Date:: 2016-12-21

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Field	Value	Language
dc.contributor.author	Ardashir, JF	en_US
dc.contributor.author	Siwakoti, YP https://orcid.org/0000-0002-3869-412X	en_US
dc.contributor.author	Sabahi, M	en_US
dc.contributor.author	Hosseini, SH	en_US
dc.contributor.author	Blaabjerg, F	en_US
dc.date.issued	2016-12-21	en_US
dc.identifier.citation	IECON Proceedings (Industrial Electronics Conference), 2016, pp. 2384 - 2389	en_US
dc.identifier.isbn	9781509034741	en_US
dc.identifier.uri	http://hdl.handle.net/10453/107097
dc.description.abstract	© 2016 IEEE. A novel transformerless inverter for grid-tied PV systems is introduces with low leakage current in this paper. Four power switches, two capacitors, two diodes, and a LC filter are uses in this topology. The negative polarity of the PV panel is connected to the neutral of the utility grid with common line. Therefore, a common-mode voltage is constant and leakage current is nearly zero. A unipolar Sinusoidal Pulse-Width modulation (SPWM) method is utilized to reduce the output current ripple and requirements of filter. The major merits of this topology are compact size, low cost, flexible grounding configuration and higher efficiency. The operating principle and analysis of the proposed inverter are presented in details. Finally, a universal prototype rated 500 W are tested to validate the proposed topology and the overall concept. The results obtained clearly confirm the performance and practical application of the proposed topology for grid-connected PV systems.	en_US
dc.relation.ispartof	IECON Proceedings (Industrial Electronics Conference)	en_US
dc.relation.isbasedon	10.1109/IECON.2016.7793346	en_US
dc.title	S4 grid-connected single-phase transformerless inverter for PV application	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:

© 2016 IEEE. A novel transformerless inverter for grid-tied PV systems is introduces with low leakage current in this paper. Four power switches, two capacitors, two diodes, and a LC filter are uses in this topology. The negative polarity of the PV panel is connected to the neutral of the utility grid with common line. Therefore, a common-mode voltage is constant and leakage current is nearly zero. A unipolar Sinusoidal Pulse-Width modulation (SPWM) method is utilized to reduce the output current ripple and requirements of filter. The major merits of this topology are compact size, low cost, flexible grounding configuration and higher efficiency. The operating principle and analysis of the proposed inverter are presented in details. Finally, a universal prototype rated 500 W are tested to validate the proposed topology and the overall concept. The results obtained clearly confirm the performance and practical application of the proposed topology for grid-connected PV systems.

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http://hdl.handle.net/10453/107097