Browsing by Author "Advisor/ BENTATA Khadidja"

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    MODELING AND CONTROL OF A GRID-CONNECTED PHOTOVOLTAIC SYSTEM
    (University of Msila, 2025) Aouachria Ali Abderrahmane; Advisor/ BENTATA Khadidja
    The growing integration of photovoltaic (PV) power into the grid has brought on challenges related to grid stability, with the boost converter and the inverter introducing harmonics and instability, especially under non-linear loads and environmental changes. Therefore, conducting practical testing on grid-connected PV systems under various conditions can be difficult and often impossible due to the destructive nature of many scenarios. Existing research often lacks comprehensive modeling, realworld validation, and explicit adherence to grid connection standards. Thus, this thesis aims to present a detailed modeling, design, and control strategy for a grid-connected PV system that accurately reflects the behavior of the 100-kilowatt-peak (kWp) PV plant, while adhering to the IEEE 929–2000 and European EN 50160 grid connection standards. The developed one hundred-kilowatt model encompasses all components of the double-stage topology, namely the PV array, boost converter, maximum power point tracking (MPPT) controller, three-phase pulse width modulation (PWM), voltage source inverter (VSI), LC filter, grid synchronization technique with a phase-locked loop (PLL), VSI dual-loop current controller with PI regulators, and other grid connection components. The entire proposed model, implemented in MATLAB/Simulink, was used to simulate various scenarios under different weather conditions, including standard test conditions (STC), a sudden drop in solar irradiation, and a real-world scenario.