A Family of Cost-Effective Magnetically-Coupled Impedance Source Inverters

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Abstract

This paper presents a family of cost-effective magnetically-coupled impedance source inverters for renewable energy systems. The inverters are derived from magnetically-coupled impedance source networks, featuring low cost and no ground leakage current when used in PV system. The numbers of required semiconductor switches is reduced. More important, the elimination of leakage currents makes it particularly suitable for high-efficiency photovoltaic (PV) applications. A comparison among prior-art PV inverters is then performed. The Performances of the inverters are evaluated analytically as well as by simulations. The analysis and simulation show the superiority of the proposed inverter in terms of leakage current suppression and low cost.
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Detaljer

This paper presents a family of cost-effective magnetically-coupled impedance source inverters for renewable energy systems. The inverters are derived from magnetically-coupled impedance source networks, featuring low cost and no ground leakage current when used in PV system. The numbers of required semiconductor switches is reduced. More important, the elimination of leakage currents makes it particularly suitable for high-efficiency photovoltaic (PV) applications. A comparison among prior-art PV inverters is then performed. The Performances of the inverters are evaluated analytically as well as by simulations. The analysis and simulation show the superiority of the proposed inverter in terms of leakage current suppression and low cost.
OriginalsprogEngelsk
TitelProceedings of 43rd Annual Conference of the IEEE Industrial Electronics Society, IECON 2017
Antal sider6
ForlagIEEE Press
Publikationsdatookt. 2017
Sider7679-7684
DOI
StatusUdgivet - okt. 2017
PublikationsartForskning
Peer reviewJa
Begivenhed43rd Annual Conference of the IEEE Industrial Electronics Society, IECON 2017 - Beijing, Kina
Varighed: 29 okt. 20171 nov. 2017

Konference

Konference43rd Annual Conference of the IEEE Industrial Electronics Society, IECON 2017
LandKina
ByBeijing
Periode29/10/201701/11/2017

Kort

ID: 265552653