A New Three-Level Three-Phase Boost PWM Inverter for PV Applications

Palanisamy, A; Mahajaran, A; Liese, S; Siwakoti, Y; Long, T; Forati Kashani, O; Blaabjerg, F

A New Three-Level Three-Phase Boost PWM Inverter for PV Applications

Palanisamy, A Mahajaran, A Liese, S Siwakoti, Y

Long, T Forati Kashani, O Blaabjerg, F

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Publication Type:: Conference Proceeding
Citation:: 2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018, 2018, pp. 7191 - 7196
Issue Date:: 2018-12-03

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Field	Value	Language
dc.contributor.author	Palanisamy, A	en_US
dc.contributor.author	Mahajaran, A	en_US
dc.contributor.author	Liese, S	en_US
dc.contributor.author	Siwakoti, Y https://orcid.org/0000-0002-3869-412X	en_US
dc.contributor.author	Long, T	en_US
dc.contributor.author	Forati Kashani, O	en_US
dc.contributor.author	Blaabjerg, F	en_US
dc.date.issued	2018-12-03	en_US
dc.identifier.citation	2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018, 2018, pp. 7191 - 7196	en_US
dc.identifier.isbn	9781479973118	en_US
dc.identifier.uri	http://hdl.handle.net/10453/132309
dc.description.abstract	© 2018 IEEE. Multilevel converters have seen an increasing popularity in the last decades, due to the increased power ratings, improved power quality, low switching losses, and reduced Electromagnetic Interference (EMI). Amongst, the most popular ones are the three-level Neutral Point Clamped (NPC) and the Flying Capacitor (FC) inverter topologies, alongside their derivatives. However, the main drawback of the NPC and FC topologies is the high DC-link voltage demand, which is more than twice of the peak grid voltage. Therefore, a front-end boost DC-DC converter is normally required before the inverter, which decreases the overall efficiency of the system. A Single-stage DC-AC power converter with boost capability offer an interesting alternative compared to the two-stage approach. Considering this aspect, a novel three-level three-phase boost type inverter is introduced in this paper for general-purpose applications (e.g. grid-connected renewable energy). Whilst reducing the DC-link voltage requirement, the number of active and passive components remains the same or even less than the conventional NPC and FC family topologies. The principle of operation and theoretical analysis are discussed in detail. The design methodology along with simulation and experimental waveforms for a 5 kVA inverter are presented to prove the concept of the proposed inverter topology for practical applications.	en_US
dc.relation.ispartof	2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018	en_US
dc.relation.isbasedon	10.1109/ECCE.2018.8557463	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	A New Three-Level Three-Phase Boost PWM Inverter for PV Applications	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:

© 2018 IEEE. Multilevel converters have seen an increasing popularity in the last decades, due to the increased power ratings, improved power quality, low switching losses, and reduced Electromagnetic Interference (EMI). Amongst, the most popular ones are the three-level Neutral Point Clamped (NPC) and the Flying Capacitor (FC) inverter topologies, alongside their derivatives. However, the main drawback of the NPC and FC topologies is the high DC-link voltage demand, which is more than twice of the peak grid voltage. Therefore, a front-end boost DC-DC converter is normally required before the inverter, which decreases the overall efficiency of the system. A Single-stage DC-AC power converter with boost capability offer an interesting alternative compared to the two-stage approach. Considering this aspect, a novel three-level three-phase boost type inverter is introduced in this paper for general-purpose applications (e.g. grid-connected renewable energy). Whilst reducing the DC-link voltage requirement, the number of active and passive components remains the same or even less than the conventional NPC and FC family topologies. The principle of operation and theoretical analysis are discussed in detail. The design methodology along with simulation and experimental waveforms for a 5 kVA inverter are presented to prove the concept of the proposed inverter topology for practical applications.

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http://hdl.handle.net/10453/132309