A multi-stator hybrid magnetic circuit permanent magnet synchronous motor and method
A permanent magnet synchronous motor, hybrid magnetic circuit technology, applied in the direction of motor, magnetic circuit, magnetic circuit rotating parts, etc., can solve the problem of reducing motor power density and torque density, reducing motor torque density and power density, permanent magnet Problems such as irreversible demagnetization
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Embodiment 1
[0088] Such as Figure 1(a)-Figure 1(e) As shown, the number of motor phases in this embodiment is 3, the number of radial stator teeth is 24, the number of axial stator teeth is 12, the number of rotor slots is 4, the number of permanent magnet blocks is 4, the number of radial magnetic poles is 4, and the number of axial magnetic poles 4. This embodiment includes a radial stator, an axial stator and a rotor. The radial stator is made of laminated silicon steel sheets. The radial stator includes radial stator teeth 1, radial stator yokes 2 and radial stator slots 3. A radial armature winding 4 is placed in the radial stator slot 3, and the radial armature winding 4 can be a distributed winding, a concentrated winding or a stacked winding, and the number of poles of the radial armature winding is consistent with the number of radial magnetic poles of the rotor. The radial stator and the rotor are coaxial, and there is a radial air gap 5 between the radial stator and the rotor. ...
Embodiment 2
[0090] Such as Figure 2(a)-Figure 2(e)As shown, the main difference between Embodiment 2 and Embodiment 1 is that (1) there are axial stators at both ends of the motor in Embodiment 2, and both ends of the soft magnetic composite rotor core of the motor are processed into The shape of the fan ring forms the axial magnetic poles, and in the first embodiment, only one end of the motor has an axial stator, and only one end of the rotor iron core of the motor is processed into the shape of the fan ring to form the axial magnetic poles. (2) Embodiment 2 The arrangement of the permanent magnets in Example 1 is different from that in Embodiment 1. The permanent magnets in Embodiment 1 have a single parallel structure, while the permanent magnets in Embodiment 2 have a series-parallel structure. In this embodiment, the number of motor phases is 3, the number of radial stator teeth is 24, the number of axial stator teeth is 12, the number of rotor slots is 4, the number of permanent m...
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