Publications Scientifiques
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Item A New Frame Work for Protective Relay Tester(Inderscience, 2014) Chafai, Mahfoud; Bentarzi, Hamid; Ouadi, ABDERRAHMANE; Sahli, Hichem; Rial, HichemItem Distance protective system performance enhancement using optimized digital filter(2011) Bentarzi, Hamid; Ouadi, Abderrahmane; Zitouni, AbdelkaderItem PC based testing system for protective relay(IEEE, 2013) Chafai, Mahfoud; Bentarzi, Hamid; Ouadi, Abderrahmane; Zitouni, Abdelkader; Recioui, AbdelmadjidItem A new diagnostic method of faulty transistor in a three-phase inverter(2006) Benslimane, Tarak; Chetate, BoukhmisThis paper describes a method of detection and identification of transistor base drive open-circuit fault of 3-phase voltage source inverter (VSI), feeding an open loop controlled induction motor. The detection mechanism is based on a novel technique of wavelet transform. In this method, the stator currents will be used as an input to the system. No direct access to the induction motor is required. The simulation results are presented