Stand-alone Photovoltaic System using an UPS Inverter and a Microcontrolled Battery Charger based on a Boost Converter with a 3 State-Commutation Cell

Stand-alone Photovoltaic System using an UPS Inverter and a Microcontrolled Battery Charger based on a Boost Converter with a 3 State-Commutation Cell

This paper presents a stand-alone photovoltaic energy system aimed for small power consumer applications in isolated areas of the countryside of Brazil. In order to develop a cost-effective and simple product, a double power conversion UPS (uninterruptible power supply) was analyzed and modified. A...

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Bibliographic Details
Published in:IECON 2006 - 32nd Annual Conference on IEEE Industrial Electronics pp. 4381 - 4386
Main Authors: Araujo, S.V., Torrico-Bascope, R.P., Antunes, F.L.M., Mineiro Sa, E.
Format: Conference Proceeding
Language:English
Published: IEEE 01-11-2006
Subjects:
Batteries
DC-DC power converters
Inverters
MOSFETs
Photovoltaic systems
Power conversion
Solar power generation
Topology
Uninterruptible power systems
Voltage
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Summary:This paper presents a stand-alone photovoltaic energy system aimed for small power consumer applications in isolated areas of the countryside of Brazil. In order to develop a cost-effective and simple product, a double power conversion UPS (uninterruptible power supply) was analyzed and modified. A whole new battery charger was implemented using a PIC microcontroller equipped with a MPP seeking algorithm, to maximize the energy extracted from the solar panels, and a supervisory unit to control the charge process of the batteries, in order to ensure that they are fully charged
ISSN:1553-572X
DOI:10.1109/IECON.2006.347946