A dual-stator claw-pole axial flux permanent magnet vernier motor

Abstract

The invention discloses a dual-stator claw-pole axial flux permanent magnet vernier motor, which includes an outer stator, a rotor, and an outer stator arranged axially in sequence, and is characterized in that: the two outer stators have the same structure, the two outer stators are provided with claw pole type modulation teeth, three-phase windings are wound on the stator slots, the claw pole type modulation teeth on the two outer stators are arranged opposite to each other, an air gap is arranged between the two sides of the rotor and the two outer stators, rotor permanent magnets are arranged on the rotor, and a certain angle beta is staggered between the two outer stator modulation teeth. The invention has the advantages of large output torque, small tooth groove torque, low torque ripple, stator tooth gathering magnetism and high permanent magnet utilization rate. Compared with the traditional axial flux motor, the power density is higher, the air gap flux density is higher, andthe efficiency is higher.

Description

technical field [0001] The invention relates to an axial flux permanent magnet vernier motor, in particular to a double-stator claw pole type axial flux permanent magnet vernier motor, which is applied to drive systems in electric vehicles, robots, centrifuges and other related fields. Background technique [0002] With the emergence of high-performance permanent magnet materials, axial flux permanent magnet motors are also developing rapidly. Axial flux motors combined with permanent magnet vernier motors can not only meet the size parameter requirements, but also achieve direct drive high torque output. In the application environment such as the hub motor of electric vehicles, it has great research potential and development prospects. [0003] Traditional axial flux motors have a small air-gap flux density and low efficiency. The currently existing double-stator axial flux permanent magnet vernier motor has relatively large torque density and power density, and its motor ...

AI Technical Summary

Problems solved by technology

In addition, some scholars have proposed a double-stator claw-pole radial flux permanent magnet vernier motor. The stator of this motor is also a claw-pole stator, which can greatly reduce magnetic flux leakage and improve the utilization rate of permanent magnets. The direction of flow is radial, which is a radial flux motor. Compared with the axial flux motor, its axial size is not flexible enough

At present, the research on double-stator axial flux permanent magnet vernier motor with claw pole stator at home and abroad is not deep enough.

Images