What are the common selection methods for DC brushless motors?

DC brushless motor applications are becoming more and more widespread, the same type of products to choose from more and more, there are different specifications and types, how to choose the right brushless motor, many friends are more troublesome, in fact, it is not so complicated, Vacuz simple to introduce it to you, I hope it can help you!

1. Choose from the specifications

If the power supply voltage is adjustable, you can choose according to the actual needs, the torque and speed should be close to the corresponding rated value of brushless DC motor specifications, and control the speed by changing the voltage. Power supply voltage is fixed, if there is no suitable brushless DC motor available, you can first choose the right specification according to the torque, and adjust the voltage and speed of the product appropriately.

2. Choose from power supply

The maximum output power of the motor is limited. Brushless motor power selection is too small, the load exceeds the rated output power, which will lead to motor overload, motor heating, vibration, speed drop, strange noise, etc.. In the case of serious overload, the motor will burn up. If the power is too high, it will cause economic waste. Therefore, it is very important to choose the power of the motor reasonably.

3. Choose from the model

Priority should be given to ferrite permanent magnet DC motors with high efficiency,, low price, and low temperature rise. Only in the strict performance requirements, small size, and high ambient temperature, only consider choosing alnico permanent magnet DC motor or rare earth permanent magnet DC motor.

These are a few of the common selection methods of brushless DC motors, master these basic methods, the choice will not be bothered.

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