Inverter Operation Mode of a PhotoVoltaic Cascaded H-Bridge Battery Charger

The paper deals with a grid-connected single-phase battery charger integrated with photovoltaic generators (PVGs). The circuit topology consists of a multilevel architecture based on a Cascaded H-Bridge (CHB) rectifier. Its main task is to charge the batteries, primarily from the PVGs, by also assur...

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Main Authors: Marino Coppola, Pierluigi Guerriero, Adolfo Dannier, Santolo Daliento, Andrea Del Pizzo
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/16/13/4972
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author Marino Coppola
Pierluigi Guerriero
Adolfo Dannier
Santolo Daliento
Andrea Del Pizzo
author_facet Marino Coppola
Pierluigi Guerriero
Adolfo Dannier
Santolo Daliento
Andrea Del Pizzo
author_sort Marino Coppola
collection DOAJ
description The paper deals with a grid-connected single-phase battery charger integrated with photovoltaic generators (PVGs). The circuit topology consists of a multilevel architecture based on a Cascaded H-Bridge (CHB) rectifier. Its main task is to charge the batteries, primarily from the PVGs, by also assuring to keep their state-of-charge (SOC) balanced. Nevertheless, when the battery SOC overcomes a predefined upper limit, beyond which the charging process could be interrupted, the available PV power can no longer be transferred to the batteries. Therefore, to avoid an undesired curtailment of PV power production, this latter can be supplied to the grid by inverting the system operation. The paper shows how to achieve this result by implementing a dedicated control action based on a multi-step procedure. Numerical investigations are carried out on a 19-level CHB converter implemented in the PLECS environment to validate the feasibility and effectiveness of the proposed control technique.
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spelling doaj.art-162aa1c9006b45609c9bb70500c36a542023-11-18T16:28:32ZengMDPI AGEnergies1996-10732023-06-011613497210.3390/en16134972Inverter Operation Mode of a PhotoVoltaic Cascaded H-Bridge Battery ChargerMarino Coppola0Pierluigi Guerriero1Adolfo Dannier2Santolo Daliento3Andrea Del Pizzo4Department of Electrical Engineering and Information Technologies, University of Napoli Federico II, Via Claudio 21, 80125 Napoli, ItalyDepartment of Electrical Engineering and Information Technologies, University of Napoli Federico II, Via Claudio 21, 80125 Napoli, ItalyDepartment of Electrical Engineering and Information Technologies, University of Napoli Federico II, Via Claudio 21, 80125 Napoli, ItalyDepartment of Electrical Engineering and Information Technologies, University of Napoli Federico II, Via Claudio 21, 80125 Napoli, ItalyDepartment of Electrical Engineering and Information Technologies, University of Napoli Federico II, Via Claudio 21, 80125 Napoli, ItalyThe paper deals with a grid-connected single-phase battery charger integrated with photovoltaic generators (PVGs). The circuit topology consists of a multilevel architecture based on a Cascaded H-Bridge (CHB) rectifier. Its main task is to charge the batteries, primarily from the PVGs, by also assuring to keep their state-of-charge (SOC) balanced. Nevertheless, when the battery SOC overcomes a predefined upper limit, beyond which the charging process could be interrupted, the available PV power can no longer be transferred to the batteries. Therefore, to avoid an undesired curtailment of PV power production, this latter can be supplied to the grid by inverting the system operation. The paper shows how to achieve this result by implementing a dedicated control action based on a multi-step procedure. Numerical investigations are carried out on a 19-level CHB converter implemented in the PLECS environment to validate the feasibility and effectiveness of the proposed control technique.https://www.mdpi.com/1996-1073/16/13/4972cascaded H-bridgePV generatorsbattery chargerinverter operation mode
spellingShingle Marino Coppola
Pierluigi Guerriero
Adolfo Dannier
Santolo Daliento
Andrea Del Pizzo
Inverter Operation Mode of a PhotoVoltaic Cascaded H-Bridge Battery Charger
Energies
cascaded H-bridge
PV generators
battery charger
inverter operation mode
title Inverter Operation Mode of a PhotoVoltaic Cascaded H-Bridge Battery Charger
title_full Inverter Operation Mode of a PhotoVoltaic Cascaded H-Bridge Battery Charger
title_fullStr Inverter Operation Mode of a PhotoVoltaic Cascaded H-Bridge Battery Charger
title_full_unstemmed Inverter Operation Mode of a PhotoVoltaic Cascaded H-Bridge Battery Charger
title_short Inverter Operation Mode of a PhotoVoltaic Cascaded H-Bridge Battery Charger
title_sort inverter operation mode of a photovoltaic cascaded h bridge battery charger
topic cascaded H-bridge
PV generators
battery charger
inverter operation mode
url https://www.mdpi.com/1996-1073/16/13/4972
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