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The influence and application requirements of the performance of the permanent magnet motor magnetic tile on the motor
Nov 20, 2017

The permanent magnet motor magnetic tile is mainly used in permanent magnet DC motor. The constant magnetic potential source is mainly produced by permanent magnet material. Compared with the electrical excitation, the permanent magnet magnet has many advantages, such as simple structure, convenient maintenance, light weight, small size, reliable use, low copper consumption, low consumption of copper, low energy consumption and so on.

The influence of the performance of the permanent magnet motor magnetic tile on the motor

1. In the same magnetic pole surface area and air gap, high Br can produce large output torque and high power, and the motor will have a higher efficiency.

2. In the work, because HCB is high, it can ensure the motor output required electromotive force, so that the motor working point near the maximum magnetic energy product, and the ability of magnets will be fully used.

3. The magnetic energy φ is the greater the better, which will greatly improve the efficiency of the motor.

4. High (BH) max. The higher the (BH) max is, the better the working coefficient of the permanent ferrite in the actual operation of the motor will be.

5. The better the rectangularity of the demagnetization curve is, the smaller the dynamic loss of the motor will be.

6. The starting current is small and the time constant is small. The impact on the power supply is small.

7. The higher the electrical resistivity of the permanent magnet ferrite is, the smaller the eddy losses will be.

8. The temperature coefficient of permanent magnet ferrite is small, and it has good temperature stability at high temperature.



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