This paper proposes a multi-string DC/AC architecture for photovoltaic grid-connected converters intended using GaN FETs as switching devices. Three isolated DC/DC converters fed by separate strings supply the DC Link of a 7-level cascaded H-Bridge DC/AC multilevel inverter. Due to the great interest in power plants oriented to self-consumption, a DC/DC converter configuration with a battery system for energy storage is also considered. Extensive simulations of the control confirmed the capability of the architecture to handle the power flows required by the proposed application.

Modular photovoltaic inverter with high-frequency DC/DC stage based on low-voltage FETs / Giuliani, F.; Barater, D.; Concari, C.; Cova, P.; Delmonte, N.; Menozzi, Roberto; Buticchi, G.; Tarisciotti, L.. - (2014), pp. 39-46. ((Intervento presentato al convegno IEEE Energy Conversion Congress and Exposition (ECCE) tenutosi a Pittsburgh, PA, USA nel 14-18 Sep. 2014 [10.1109/ECCE.2014.6953373].

Modular photovoltaic inverter with high-frequency DC/DC stage based on low-voltage FETs

Barater, D.;MENOZZI, ROBERTO;
2014

Abstract

This paper proposes a multi-string DC/AC architecture for photovoltaic grid-connected converters intended using GaN FETs as switching devices. Three isolated DC/DC converters fed by separate strings supply the DC Link of a 7-level cascaded H-Bridge DC/AC multilevel inverter. Due to the great interest in power plants oriented to self-consumption, a DC/DC converter configuration with a battery system for energy storage is also considered. Extensive simulations of the control confirmed the capability of the architecture to handle the power flows required by the proposed application.
IEEE Energy Conversion Congress and Exposition (ECCE)
Pittsburgh, PA, USA
14-18 Sep. 2014
39
46
Giuliani, F.; Barater, D.; Concari, C.; Cova, P.; Delmonte, N.; Menozzi, Roberto; Buticchi, G.; Tarisciotti, L.
Modular photovoltaic inverter with high-frequency DC/DC stage based on low-voltage FETs / Giuliani, F.; Barater, D.; Concari, C.; Cova, P.; Delmonte, N.; Menozzi, Roberto; Buticchi, G.; Tarisciotti, L.. - (2014), pp. 39-46. ((Intervento presentato al convegno IEEE Energy Conversion Congress and Exposition (ECCE) tenutosi a Pittsburgh, PA, USA nel 14-18 Sep. 2014 [10.1109/ECCE.2014.6953373].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1170939
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