Prime mover for operating an electric motor

Details Prime mover for operating an electric motor Prime mover for operating an electric motor

H - Electricity

02

P

H02P 1/28 (2006.01) H02P 1/30 (2006.01)

Patent

CA 2358033

A prime mover such as a microturbine generator is operated to generate dc power, and an inverter is controlled to convert the dc power to ac power. The ac power is supplied to an electric motor. The frequency of the ac power is ramped up during motor startup to reduce motor inrush current. The frequency or current of the ac power may be varied in response to process requirements during normal operation of the motor.

Un moteur primaire tel qu'un générateur à microturbines est mis en oeuvre pour générer du courant continu et un inverseur est commandé pour convertir le courant continu en courant alternatif. Le courant alternatif est fourni à un moteur électrique. La fréquence du courant alternatif est augmentée progressivement pendant le démarrage du moteur pour réduire le courant d'appel arrivant subitement dans le moteur. La fréquence ou la circulation du courant alternatif peuvent être variées en réponse aux besoins spécifiques pendant le fonctionnement normal du moteur.

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