Summary
This paper presents a novel automated design of the photovoltaic maximum power point tracking (MPPT), based on the robust sliding mode control, using the automation programmable logic controller (PLC) software. The aim is to maintain the photovoltaic system operating at its maximum by continuously tracking the maximum power point, with considerable oscillation reduction to overcome the drawbacks usually witnessed with standard MPPT algorithms using automation PLC. The studied system is modeled and simulated using the Siemens automation software (TIA portal), and an empirical implementation is implemented using the Siemens S7‐1200 PLC as a controller. To validate the robustness of the proposed sliding mode control, the system outcomes under variant meteorological conditions using both the sliding mode controller and the well‐known incremental conductance algorithm are compared. The results reveal that the sliding mode control provides smooth and precise MPPT that far exceeds the incremental conductance performance.
Abstract. The study of photovoltaic system (PV) in an efficient manner requires a precise knowledge of the I-V and P-V characteristics curves of PV module. Therefore, our work presents the modeling and simulation of PV module using the Matlab/Simulink package. The model is developed based on the mathematical model of the PV module, which is based on that of an elementary PV solar cell. A particular PV module is selected for the analysis of developed model. The essential parameters required for modeling the system are taken from datasheets. I-V and P-V characteristics curves highly depend on some climatic factors such as irradiation and temperature, are obtained and discussed by simulation for the selected module. Keywords. PV Module, Modeling, Simulation, Matlab/Simulink Résumé. L'étude du système photovoltaïque (PV) d'une manière efficace nécessite une connaissance précise des courbes caractéristiques I-V et P-V des modules PV. Notre travail présente la modélisation et la simulation du module PV en utilisant MATLAB/Simulink. Le modèle a été développé sur la base du modèle mathématique du module PV qui est basé sur celui d'une cellule solaire PV élémentaire. Un module PV particulier a été choisi pour l'analyse du modèle développé. Les paramètres essentiels à la modélisation du système sont pris à partir de la fiche technique. Les courbes caractéristiques I-V et P-V qui dépendent fortement des facteurs climatiques tels que l'irradiation et la température sont obtenues et commentées par simulation pour le module sélectionné.
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