H - Electricity – 02 – M
Patent
H - Electricity
02
M
H02M 7/5387 (2007.01) H02P 27/06 (2006.01)
Patent
CA 2671467
The invention relates to a power supply with two series inverters (A, B) for powering an electromechanical actuator having at least one electric motor including a plurality of phase-forming windings (R1, R2, R3), each inverter being connected to a respective mass (50; 51) and including an electric voltage source (U1; U2) having terminals from which extend the same number of arms (A1, A2, A3; B1, B2, B3) as there are windings to be powered, each arm including two controlled switches (5, 6) positioned in series. In addition, a connecting point is provided between the aforementioned switches at one end of the windings. According to the invention, each inverter includes a supplementary arm (A4; B4) having two controlled switches, said two supplementary arms being interconnected by means of a bridge (7) that is connected to each supplementary arm at a point between the switches.
L'invention concerne une alimentation à deux on-duleurs en série (A,B) pour alimenter un actionneur élec-tromécanique ayant au moins un moteur électrique compor-tant une pluralité d'enroulements (R1,R2,R3) formant des phases, chaque onduleur étant relié à une masse propre (50;51) et comportant une source de tension électrique (U1;U2) aux bornes de laquelle s'étendent autant de bras (A1,A2,A3;B1,B2,B3) qu'il y a d'enroulements à alimenter, chaque bras comportant deux interrupteurs commandés (5,6) placés en série entre lesquels est prévu un point de liaison à une extrémité d'un des enroulements. Selon l'invention, chaque onduleur comporte un bras supplémen-taire (A4;B4) comportant deux interrupteurs commandés, les deux bras supplémentaires étant reliés entre eux par un pont (7) connecté à chaque bras supplémentaire en un point situé entre les interrupteurs.
Jac Julien
Matt Daniel
Ziegler Nicolas
Goudreau Gage Dubuc
Messier-Bugatti-Dowty
Messier-Dowty Sa
LandOfFree
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