Structures et stratégies de commande des filtres actifs parallèle et hybride avec validations expérimentales

Abstract : In this thesis, and with the aim to improve the power quality, we have theoretically and experimentally studied two types of filtering, the shunt active power filter and hybrid, passive and active power filter. The modelling and simulation of a parallel active filter with three types of current controllers (MLI, classical hysteresis and modulated hysteresis) are first studied. The behavior of the active filter under transient conditions is also presented. Then, we have experimentally validated the simulation results obtained for the modulated hysteresis. The test bench consists of a parallel active filter, a non-linear load, a digital control system DSPACE (DS1104) and an analog card. Next, we studied by modelling and simulation the hybrid filter. For both cases, the use of multi-variable filter improves the filtering performances. An experimental prototype called "FPGA in the Loop" has been implemented to validate digital control of hybrid filter. In addition, a comparison between the two filters has been realised in order to find the best way to reduce network harmonic currents.
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Mohamed Muftah Abdusalam. Structures et stratégies de commande des filtres actifs parallèle et hybride avec validations expérimentales. Autre. Université Henri Poincaré - Nancy 1, 2008. Français. ⟨NNT : 2008NAN10016⟩. ⟨tel-01748549⟩

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