Built-in permanent magnet driving motor of electric automobile and electromagnetic vibration weakening method thereof
An electric vehicle, permanent magnet drive technology
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Embodiment 1
[0090] Such as Figure 1-Figure 8 As shown, the number of motor poles in this embodiment is 8, and the number of stator slots is 48. This embodiment includes a stator 1, permanent magnet rotors 12 and 13 and armature windings 5, and the permanent magnet rotors 12 and 13 include rotor cores 8 And the permanent magnet 7, the rotor core 8 is provided with a rotor slot 6, and the permanent magnet 7 is placed in the rotor slot 6, and the permanent magnet 7 acts on the rotor core 6 to form 8 rotor poles. Wherein, the permanent magnet rotors 12 and 13 are set inside the stator 1 and arranged coaxially with the stator 1 , and the stator 1 is provided with an armature winding 5 . The permanent magnet rotor is divided into two sections along the axial direction. The two sections of permanent magnet rotors 12 and 13 have the same structure, and both have 8 rotor poles. Among the rotor poles, the pole arc width corresponding to one rotor pole 10 is equal to The pole arc widths correspond...
Embodiment 2
[0099] Such as Figure 9-Figure 16 As shown, the number of motor poles in this embodiment is 8, and the number of stator slots is 48. This embodiment includes a stator 1, permanent magnet rotors 12 and 13 and armature windings 5, and the permanent magnet rotors 12 and 13 include rotor cores 8 And the permanent magnet 7, the rotor core 8 is provided with a rotor slot 6, and the permanent magnet 7 is placed in the rotor slot 6, and the permanent magnet 7 acts on the rotor core 6 to form 8 rotor poles.
[0100] Wherein, the permanent magnet rotors 12 and 13 are set inside the stator 1 and arranged coaxially with the stator 1 , and the stator 1 is provided with an armature winding 5 .
[0101] The permanent magnet rotor is divided into two sections along the axial direction. The two sections of permanent magnet rotors 12 and 13 have the same structure, and both have 8 rotor poles. Among the rotor poles, the pole arc width corresponding to one rotor pole 10 is equal to The pole ar...
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