Multiphase motor having different winding configurations for...

H - Electricity – 02 – P

Patent

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H02P 6/00 (2006.01) H02P 6/14 (2006.01)

Patent

CA 2515953

Reconfiguration of stator winding sections of each phase of a multiphase motor is controlled for successive ranges of speed during which the motor can be expected to operate to obtain optimum operating efficiency throughout the entire operating range. All winding sections for a stator element are energized throughout the motor operating speed range but connected, through appropriate switches, in different circuit configurations for respective portions of the speed range. The switches are activated by a controller in response to a sensed motor speed signal. The reconfiguration of stator winding sections may be incorporated within a motor control system that is adaptive to control various motor parameters in response to sensed conditions as well as user input commands.

La reconfiguration de sections d'enroulement de stator de chaque phase d'un moteur multiphase est contrôlée pour des plages de vitesses successives durant lesquelles on peut s'attendre à ce que le moteur fonctionne pour obtenir un rendement optimum sur toute la plage de fonctionnement. Toutes les sections d'enroulement d'un élément de stator sont excitées dans toute la plage de vitesses de fonctionnement du moteur, mais connectées, par l'intermédiaire de commutateurs appropriés, dans différentes configurations de circuit pour des parties respectives de la plage de vitesse. Les commutateurs sont activés par un contrôleur en réponse à un signal de vitesse détecté du moteur. La reconfiguration des sections d'enroulement du stator peut être incorporée dans un système de commande du moteur qui est adaptatif pour commander divers paramètres du moteur en réponse à des états détectés, ainsi qu'à des commandes d'entrée utilisateur.

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