H - Electricity – 02 – P
Patent
H - Electricity
02
P
H02P 27/06 (2006.01) H02M 7/48 (2006.01) H02P 7/63 (1995.01)
Patent
CA 2153792
A device and method for controlling an induction motor operated through an inverter at a high speed so that the efficiency of the motor can be always the highest. The device is provided with an effective power measuring means (3) which measures the effective power supplied to a motor (14), a calculating means (1, 2, 4, 5, 6, 7, 8, 16, S1, S2, and S3) which calculate such an AC voltage (V1) supplied to the motor (14) that the efficiency of the motor (14) becomes the highest, based on the measured effective power and the frequency (f) of the voltage (V1), and means (9, 10, 11, and 12) which supply the calculated supply voltage (V1) to the motor (14).
Dispositif et procédé de gestion d'un moteur à induction commandé par un onduleur à un régime élevé, de sorte que le rendement du moteur puisse être toujours optimum. Le dispositif est doté d'un moyen (3) de mesure de puissance effective, lequel mesure la puissance effective délivrée à un moteur (14), de moyens de calcul (1, 2, 4, 5, 6, 7, 8, 16, S¿1?, S¿2?, et S¿3?), lesquels calculent une tension CA (V¿1?) délivrée au moteur (14) telle que le rendement du moteur (14) devient optimum, sur la base de la puissance effective mesurée et de la fréquence (f) de la tension (V¿1?), et de moyens (9, 10, 11 et 12) lesquels alimentent le moteur (14) en tension calculée (V¿1?).
Kabushiki Kaisha Yaskawa Denki
Robic
LandOfFree
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