Title: Modelling the Performance of Simple Off-Grid PV Systems
Authors: HULD THOMAS
Publisher: EU PVSEC
Publication Year: 2012
JRC N°: JRC83388
ISBN: 3-936338-28-0 (online)
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC83388
DOI: 10.4229/27thEUPVSEC2012-5BV.1.33
Type: Articles in periodicals and books
Abstract: A new model is presented for the detailed simulation of a simple off-grid PV system with battery storage. The model is based on detailed laboratory measurements of the performance of the module and battery combined with a mathematical model for the interaction between the module and battery under varying conditions of irradiance and temperature. The model has been validated against experimental data on a small PV-battery system with a power load, with results showing that the model is able to predict the total energy delivered to the load with an error of <2.5%. The model has been implemented in GIS software to make it possible to apply it to large geographical areas. A study for Africa is presented, calculating the optimum size of PV module and battery for a given desired energy consumption and maximum reliability of power availability. The model will be implemented in the PVGIS web application for PV performance estimation.
JRC Directorate:Energy, Transport and Climate

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