Induction machine rotors with improved frequency response

H - Electricity – 02 – K

Patent

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H02K 17/18 (2006.01)

Patent

CA 2566977

The present invention generally relates to the use of electrical charge storage devices in the rotors of induction machines. Optimal induction machine rotor electrical field requirements increase with rotational velocity and inversely to frequency. Pseudocapacitance and other inverse frequency capacitance adjustment methods are employed to provide for that need and thereby improve induction machine rotor performance parameters. Optimization of electrical reactance is the foundation for improvements in power transfer, torque, efficiency, stability, thermodynamics, vibration, thermodynamics and bearing life in rotational induction machines. LC rotor methods and designs are outlined herein to achieve these objectives.

La présente invention concerne généralement l'utilisation de dispositifs de stockage de charges électriques dans les rotors de machines à induction. Des spécifications optimales de champs électriques de rotors de machines à induction augmentent avec la vitesse de rotation et inversement relativement à la fréquence. Des procédés de réglage de pseudo-capacités et autres capacités de fréquence inverse sont employés pour combler ce besoin et, par conséquent, améliorer les paramètres de performance des rotors d'une machine à induction. L'optimisation d'une réactance électrique est le fondement des améliorations apportées au transfert de puissance, au couple, à l'efficacité, à la thermodynamique, aux vibrations, ainsi qu'à la durée de service de machines à induction rotatives. On décrit des procédés se rapportant à des rotors LC et des conceptions destinés à réaliser ces objctifs.

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