Contribution à l’étude des redresseurs à commande par DPC pour une qualité de l’énergie
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Renewable energy is one of the most innovative and credible responses to the challenge of climate change, but the specification of an electronic power interface is subject to requirements not only for the renewable energy source itself, But also to its effects on the operation of the feeding system. Such perturbations witch can degrade the quality of the energy within an electrical network, especially in the high power systems connected to the network. This thesis proposes solutions in order to improve the quality of electrical energy by adopting direct power control (DPC) to PWM rectifiers connected to the distribution network. The performances of these algorithms are analysed and tested experimentally as well as by simulation. Finally, an example of a wind power conversion system based on a doubly fed induction generator (DFIG) is carried out to evaluate and validate the results obtained.