What determines the speed of brush DC motor? What are the influencing factors?

Brushless DC motors are widely used, whether it is aerospace, or automotive new energy, or office intelligent equipment, are to use brushless DC motors, has been popular among users.

Many friends do not know too much about brushless DC motors, of course, for its knowledge of speed is not very clear, for example, the speed has a fast and slow, what are the factors affecting the hope that you can figure out the reasons, Vacuz to introduce you!

1. if the brushless DC motor is powered by multi-phase pulse, the speed of the brushless DC motor is related to the frequency applied to the coil.

2. If it is a brushless motor such as a stepper motor, its rotational speed is related to the error signal received by the brushless DC motor, and its rotational speed is proportional to the error signal.

3. According to the formula for calculating the speed of a brushless DC motor, it is also known that its speed is related to the point voltage, armature resistance and air gap main flux.

4. If the motor voltage is constant, the speed of the brushless DC motor will be affected by the flux and the number of turns of the coil.

5. The speed of brushless DC motor is also affected by voltage, motor structure factor, magnetic induction strength and other factors.

In fact, in addition to these factors, the speed of the brushless DC motor depends mainly on the specific situation, master these reasons to better utilize the brushless DC motor.

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