Comparison Of The Control Strategies Of An Active Filter Of A Photovoltaic Generation System Connected To The Three-phase Network
Résumé: With the aim to improve the quality of the energy a photovoltaic generator is connected to the electrical network by associating the functionalities of shunt active power filter. In this work, a system consists of a field of solar panels, a three-phase voltage inverter connected to the grid and a non-linear load constituted by a diode rectifier bridge supplying a resistive load in series with an inductor is proposed. To compensate for harmonic currents and reactive power, as well as the injection of active solar energy into the network, Direct current and power controls are used. To find the maximum power point tracking (MPPT) the global method is applied. However, the compensation of the harmonic currents, the correction of the power factor and the injection of solar power towards the electrical network are guaranteed by the direct commands, the simulation of the system under Matlab/Simulink environment prove its robustness. According to the levels of the solar PV power injected and consumed by the nonlinear load, several regimes are approached.
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