High-torque-density asymmetrical rotor structure
A rotor structure, asymmetric technology, applied in the direction of magnetic circuit shape/style/structure, magnetic circuit rotating parts, electrical components, etc., can solve the limitation of torque output capacity, ferrite permanent magnet demagnetization, and the inherent performance degradation of the motor and other problems to achieve the effect of preventing irreversible demagnetization, increasing output torque and increasing operating point
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[0029] The present invention will be further elaborated below by specific embodiment:
[0030] Such as Figure 1-4 As shown, a high torque density asymmetric rotor structure, the rotor structure is coaxially located in the inner center of the stator, including silicon steel sheet 1, ferrite permanent magnet 4, NdFeB permanent magnet 3, each pole of the rotor is fixedly embedded with A rectangular ferrite permanent magnet 4 is located inside the rotor and distributed in a spoke shape. The radial symmetry axis of the ferrite coincides with the rotor pole centerline. The NdFeB permanent magnet 3 is located between adjacent ferrite permanent magnets 4 , lined up in a line and located close to the air gap, the left magnetic barrier 5 and the right magnetic barrier 6 are respectively set on both sides of the NdFeB permanent magnet 3, and the NdFeB permanent magnet 3 is different according to the distribution form It can be divided into one-way offset asymmetric rotor structure and ...
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