H - Electricity – 02 – J
Patent
H - Electricity
02
J
H02J 3/00 (2006.01) H02J 9/00 (2006.01) H02P 27/06 (2006.01) H05K 10/00 (2006.01)
Patent
CA 2738051
The invention relates to an actuator comprising an electric machine. The electric actuator (100) comprises a multiple-phase machine (101), at least one connection member (143) for powering said actuator using at least one network (146) supplying an alternating current, first and second buses (106, 107) mounted in parallel between each connection member (143) and the machine (101) for frequency-driving the same. Each inverter (111, 131) includes a plurality of arms each provided with two controlled switches, each phase of the machine (101) being connected to the two switches of an arm of the first inverter (111) and to the two switches of an arm of the second inverter (131). The actuator further comprises controlled connection and disconnection means provided between each bus (106, 107) and each connection member. The invention can be used for actuators used in the aircraft industry.
L'invention concerne un actionneur comportant une machine électrique. L'actionneur électrique (100), comporte une machine polyphasée (101), au moins un organe de raccordement (143) pour alimenter cet actionneur par au moins un réseau (146) délivrant un courant alternatif, un premier et un second bus (106, 107) montés en parallèle entre chaque organe de raccordement (143) et la machine (101) pour la piloter en fréquence. Chaque onduleur (111, 131) comporte plusieurs bras pourvus chacun de deux interrupteurs commandés, chaque phase de la machine (101) étant reliée aux deux interrupteurs d'un bras du premier onduleur (111) d'une part, et aux deux interrupteurs d'un bras du second onduleur (131) d'autre part. Il comporte en outre des moyens commandés de connexion et de déconnexion interposés entre chaque bus (106, 107) et chaque organe de raccordement. L'invention s'applique aux actionneurs utilisés dans l'aéronautique.
Leynaert Francois-Noel
Liegeois Pierre-Yves
Meibody-Tabar Farid
Nahid Mobarakeh Babak
Pierfederici Serge Lionel
Centre National de La Recherche Scientifique
Goudreau Gage Dubuc
Institut National Polytechnique de Lorraine
Messier-Bugatti
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