Self-starting permanent magnet auxiliary synchronous reluctance motor rotor and motor
A technology for assisting synchronous and reluctance motors, applied in the field of motors, can solve problems such as insufficient torque output capacity and small permanent magnet torque, and achieve improved anti-demagnetization ability, increased permanent magnet torque, and increased permanent magnet magnetism. chain effect
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[0074] Figure 4 Shown is a structural diagram of the rotor punching according to the second embodiment of the present invention. As shown in the figure, the NdFeB is only arranged between the ferrite layers. This arrangement can not only increase the flux linkage in the q-axis direction, increase the salient pole ratio, enhance the torque output capability, but also reduce the NdFeB as much as possible. The amount of iron boron is used to reduce material costs; since the inner layer of NdFeB is eliminated, there is no need to open magnetic isolation holes, thereby greatly increasing the safety of the rotor mechanical structure. The rotor structure described can also be used for 2-pole motors or multi-pole motors. Adopting this technical solution can achieve the same technical effect as that of the first embodiment.
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