Mid-series type hybrid permanent-magnet adjustable flux motor having passive adjustable flux magnetic barrier
A hybrid permanent magnet and flux motor technology, applied in the direction of magnetic circuits, synchronous machines, electric components, etc., can solve the problems of increasing motor power density and overload operation capacity, reducing the capacity of motor drive controllers, and large demagnetization pulse currents , to achieve the effect of increasing power density and overload operation capability, overcoming large demagnetization pulse current, and reducing amplitude
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specific Embodiment approach 1
[0013] Specific implementation mode one: the following combination Figure 1 ~ Figure 4 Describe this embodiment, the semi-serial hybrid permanent magnet adjustable flux motor with passive magnetic barriers described in this embodiment, including stator core 1, armature winding 2, rotor core 3 and rotating shaft 10; rotor core 3 is fixed On the rotating shaft 10 and located inside the stator core 1, the armature winding 2 is arranged on the stator core 1;
[0014] It also includes low coercive force permanent magnet slots 4, low coercive force permanent magnets 5, radial slots 6, high coercive force permanent magnets 7 and passive magnetic adjustment magnetic barriers 8, and the rotor cores 3 are alternately and evenly arranged in low coercive force along the circumferential direction. The coercivity permanent magnet slot 4 and the radial slot 6, the low coercivity permanent magnet slot 4 and the radial slot 6 run through the entire motor in the axial direction, and the low co...
specific Embodiment approach 2
[0016] Specific embodiment two: the difference between this embodiment and embodiment one is that the low-coercivity permanent magnet groove 4 adopts a V-shaped groove or a straight groove, and when a V-shaped groove is adopted, the two straight grooves of the V-shaped groove A low-coercivity permanent magnet 5 is respectively set in each; when adopting the inline groove, a low-coercivity permanent magnet 5 is set in the low-coercivity permanent magnet groove 4; The radial groove 6 is an inline groove.
specific Embodiment approach 3
[0017] Specific embodiment three: the difference between this embodiment and embodiment two is that the magnetization direction of the low-coercivity permanent magnet 5 is perpendicular to the long side of the low-coercivity permanent magnet slot 4, and two adjacent low-coercivity The magnetization direction of coercive force permanent magnet 5 is opposite; The magnetization directions are opposite, and under the same magnetic pole, the low-coercivity permanent magnet 5 and the high-coercivity permanent magnet 7 are both N poles or S poles.
[0018] see Figure 1 ~ Figure 3 , the magnetization direction of the low-coercivity permanent magnet 5 is perpendicular to the long side of the low-coercivity permanent magnet slot 4, and has a certain angle with the radial direction, and the size of the angle is the same as that of the two straight grooves in the V-shaped groove. The angles assumed are related.
[0019] see Figure 4 , the magnetization direction of the low-coercivity...
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