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Titre: A new technique for simultaneous detection of one to two open-switch faults in three phase voltage-inverter-fed PM brushless DC motor drive
Auteur(s): Benslimane, T.
Mots-clés: Brushless dc motors
Fault diagnosis
IGBT
One open-switch
Two open- switches
Mean value
Min and max value
Logic functions
Boolean value
Date de publication: 2008
Collection/Numéro: International Journal of Electrical, Computer, and Systems Engineering/ Vol.59, N°2 (2008);pp. 97-100
Résumé: The faulty performance of permanent-magnet (PM) brushless dc motor drives is studied under one and simultaneous two open-switches faults conditions. This DC motor is supplied with a three phase two level six IGBT voltage source inverter. The three phases currents mean values of the DC motor are used as diagnostic indices. A knowledge algorithm is based to get information on which IGBT is in open-switch fault condition. This algorithm testing shows that the system could not only detect the open-switch fault, but also identify the faulty switch. Presented simulation results confirm the effectiveness of the proposed methodology
URI/URL: http://dlibrary.univ-boumerdes.dz:8080/jspui/handle/123456789/477
Collection(s) :Publications Internationales

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