Ferramenta Educacional de Baixo Custo para Traçar as Curvas de Módulos Fotovoltaicos (Low Cost Educational Tool to Trace the Curves PV Modules)

Rodrigo L. dos Santos (linharodrigo@gmail.com)1, Jonas Santos Ferreira (jonas.ferreira30@gmail.com)1, Geraldo E. Martins Jr (geraldo.jr.gba@gmail.com)1, Kleber Cezar Alves de Souza (eng.ksouza@gmail.com)1, Edilson Mineiro Sá Jr (edilson.mineiro@gmail.com)1


1Instituto Federal do Ceará, Campus Sobral

This paper appears in: Revista IEEE América Latina

Publication Date: Aug. 2017
Volume: 15,   Issue: 8 
ISSN: 1548-0992


Abstract:
This paper proposes a low-cost educational tool to trace the curves of PV modules. A MOSFET transistor was used to operate as a variable electronic load, which is driven by a simple RC circuit with a low cost objective. The data were captured with a basic digital oscilloscope, which allowed viewing captured curves and save the results for later analysis. The study of the photovoltaic cell electrical model allowed estimating the level of solar radiation, the maximum power point and the PV module temperature at the time of data capture. The theoretical analysis and experimental results of a KC65T module manufactured by Kyocera validated the proposal.

Index Terms:
I-V Curve, P-V Curve, Educational Tool, PV Modules   


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