H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 3/00 (2006.01) H02K 3/28 (2006.01) H02K 29/00 (2006.01)
Patent
CA 2543354
A permanent magnet brushless 3-phase motor comprises windings R, Y, B, each divided into a plurality of sections 1-5 and switch means S1-S12 for selectively connecting the section of the respective winding e.g. R in series and/or parallel with all other sections of that winding R. Control means are provided for actuating the switch means S1-S12 to connect the winding sections 1-5 in different configurations whilst the motor is running to alter the speed/torque characteristics of the motor.
L'invention concerne un moteur triphasé à aimants permanents sans balais, comportant des enroulements (R, Y, B) divisés en une pluralité de sections (1-5), et des éléments de commutation (S1-S12) destinés à connecter sélectivement la section de l'enroulement respectif (par ex. R) en série et/ou en parallèle à toutes les autres sections de l'enroulement (R). Des éléments de commande servent à actionner les éléments de commutation (S1-S12) de manière que ceux-ci connectent les sections d'enroulement (1-5) dans différentes configurations lorsque le moteur tourne, afin de modifier les caractéristiques de régime/couple du moteur.
Choudhary Praveen
Shirazee Nabeel Ahmed
Borden Ladner Gervais Llp
Electronica Products Limited
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