Single-winding low-cost high-power-density permanent magnet motor
A high power density, permanent magnet motor technology, applied in the direction of synchronous machines, electromechanical devices, electrical components, etc., can solve the problems of high cost of motor power inverter circuit, increase in the number of power switching devices, and increase the complexity of control circuits, etc., to achieve Good for heat dissipation, saving material consumption, and simple structure
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Embodiment 1
[0066] Example 1 as image 3 As shown, the number of teeth of the motor stator in this embodiment is 8, the number of teeth of the rotor is 4, and the number of permanent magnet blocks is 4. This embodiment includes a stator, a rotor and a main air gap, and the stator includes a stator core, a permanent magnet and a stator slot, and the stator iron The core includes stator teeth 1, stator back yoke 2 and stator slot yoke 3. The stator core is made of ferromagnetic material with high magnetic permeability. The stator core is provided with stator slots. The stator slots are armature slots 4 and armature slots 4 The armature winding 5 is placed inside, and the armature winding 5 penetrates through one armature slot and passes through another adjacent armature slot to form a coil, so that the current in each adjacent two armature slots has the same magnitude , the direction is opposite; there is an arc-shaped permanent magnet 6 between the stator slot yoke 3 and the stator back yo...
Embodiment 2
[0068] Example 2 as Figure 4 As shown, the number of stator teeth of the motor in this embodiment is 8, the number of teeth of the rotor is 4, and the number of permanent magnet blocks is 12. This embodiment includes a stator, a rotor, and a main air gap. The core includes stator teeth 1, stator back yoke 2 and stator slot yoke 3. The stator core is made of ferromagnetic material with high magnetic permeability. The stator core is provided with stator slots. The stator slots are armature slots 4 and armature slots 4 The armature winding 5 is placed inside, and the armature winding 5 penetrates through one armature slot and passes through another adjacent armature slot to form a coil, so that the current in each adjacent two armature slots has the same magnitude , the direction is opposite; arc-shaped permanent magnets 6 are placed between the stator slot yoke 3 and the stator back yoke 2, and there are 3 permanent magnets on each stator slot yoke 3, and the permanent magnets ...
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