Modélisation Et Simulation D’un Module Pv Par La Méthode Interpolation Linéaire
Résumé: Modeling of PV modules mainly involves the estimation of nonlinear I(V) curves. The researchers used topological circuits to model the characteristics of the module when it is subjected to environmental variations such as variations in radiation and temperature. The most convincing approaches are numerical methods based on electrical circuit models such as the one-diode (1-D) model and the two-diode (2-D) model, with several unknown parameters. To determine the unknown parameters, different iterative calculation methods are proposed. In this thesis, we introduce and apply a linear interpolation method to model and simulate the I-V curves of PV modules, in order to translate the I-V curves to the target conditions of radiation (G) and temperature (T). To validate the results obtained by the linear interpolation method, they are compared with the I-V curves of large-scale experimental (real site) tests of G and T. This modeling method has been applied to three different types of units monocrystalline (Isofotón-75), polycrystalline (PHOTOWATT PW500) and thin film (QS Solar 60W). The results showed that the method used is very efficient and accurate.
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