A hybrid permanent magnet rotor for electric vehicles
A hybrid permanent magnet and electric vehicle technology, applied in electric vehicles, electric components, motors, etc., can solve the problems of excessive cogging torque, torque ripple, unfavorable motor efficiency and stability, etc., and achieve low core loss and energy saving The effect of rare earth permanent magnet dosage and high output power
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[0026] specific implementation
[0027] The present invention will be further described below with reference to the accompanying drawings.
[0028] like figure 1 Shown is a diagram of a hybrid permanent magnet rotor for an electric vehicle of the present invention. The shown rotor includes a first permanent magnet, a second permanent magnet, a third permanent magnet, a non-magnetically conductive fixed core, a rotor iron core and a tightening ring. The rotor is an inner rotor structure, and the rotor iron core is fixed on the periphery of the non-magnetically conductive fixed core.
[0029] There are X first permanent magnets, second permanent magnets and third permanent magnets embedded in the rotor core, all of which are plane magnetic steels, and X is an even number; The radial included angle is greater than 20° and less than 45°.
[0030] The length of the first permanent magnet is shorter than that of the second permanent magnet; one end of the first permanent magnet i...
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