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Filtrage hybride des perturbations harmoniques produites par des systèmes d'entraînement asynchrone à vitesse variable

Abstract : The main purpose of this work is to propose the best hybrid filter architectures, the combination of active and passive filters, for harmonics compensation produced by the variable frequency asynchronous drive systems in order to meet the EDF harmonic tolerated limits. Three hybrid filters are designed for the VSI, the CSI and the cycloconverter asynchronous drives. A real coded genetic algorithm is used for all of optimization problems. Its efficiency is illustrated by two applications: the identification of squirrel cage induction motor's parameters and the coefficients of5 pol#ynomials of RST regulator. A new control approach of the current inverter fed asynchronous drive is presented. Also, a new approach for the positive and negative converter selection in a three-pulse cycloconverter in circulating current-free operation mode is presented. It consists of using the d-q components of stator reference current, when the cycloconverter load is a three-phase ac machine, to select the positive and negative converter of each leg of cycloconverter.
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https://hal.univ-lorraine.fr/tel-01747565
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Seyed-Hamid Shahalami. Filtrage hybride des perturbations harmoniques produites par des systèmes d'entraînement asynchrone à vitesse variable. Autre. Université Henri Poincaré - Nancy 1, 2001. Français. ⟨NNT : 2001NAN10190⟩. ⟨tel-01747565⟩

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