Direct driving reluctance motor

Abstract

A direct drive reluctance machine is provided. An outer air gap is formed between the outer annulus of a rotor core and the inner annulus of an outer stator core, and both the rotor core and the outer stator core are formed by the stacking of silicon sheets; an inner air gap is formed between the inner annulus of the rotor core and the outer annulus of an inner stator core; keywalls are arranged in the inner annulus of the outer stator core and in the outer annulus of the inner stator core; the inner annulus of the outer stator core and the outer annulus of the inner stator core are respectively provided with an outer stator field copper and an inner stator field copper; a rotor cage of non-permeablility magnetic material is fixed on a shaft to support the rotor core; the shaft is embedded in the inner bore of the inner stator core through a bearing; a toroidal permanent magnet which is axially provided with a magnetic field is arranged in the lengthwise center of the outer stator core and divides the outer stator core into a left side iron core and a right side iron core; a toroidal permanent magnet which is axially provided with a magnetic field is arranged in the lengthwise center of the inner stator core and divides the inner stator core into a left iron core and a right iron core. The invention has the advantages of small cubage, light weight and reduced excitation consumption.

Description

technical field [0001] The present invention relates to a direct drive reluctance motor. Background technique [0002] The stator and rotor of the existing direct-drive reluctance motors do not use permanent magnet materials. In order to obtain high power, large excitation power is required, which limits the performance-to-volume ratio of the motor and increases the cost of the drive system. Contents of the invention [0003] The purpose of the present invention is to overcome the above defects and provide a direct drive reluctance motor. [0004] The technical solution of the present invention is: a direct drive reluctance motor, the outer circle of the rotor core made of silicon steel sheets and the inner circle of the outer stator core made of silicon steel sheets form an outer air gap, the inner circle of the rotor core and the outer circle of the inner stator core The inner air gap is formed between the circles, the inner circle of the outer stator core and the outer...

AI Technical Summary

Problems solved by technology

[0002] The stator and rotor of the existing direct-drive reluctance motors do not use permanent magnet materials. In order to obtain high power, large excitation power is required, which limits the performance-to-volume ratio of the motor and increases the cost of the drive system.

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