This paper presents two models that describe the electrical behavior of photovoltaic modules. One of them is an easy to compute three parameters model, with a simplified power output calculation algorithm, whereas the other is a more detailed four parameters model. Both models take as input only readily available manufacturers' data. They are validated against the catalogue I-V temperature and irradiation curves. Furthermore, a performance comparison with experimental results is presented too. Obtained outcome allows the conclusion that both models simulation results are quite satisfactory, thus providing a way to prove the accuracy of the three parameters model.
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Crispim et al. (2007) studied this question.