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What are the characteristics and working principles of brushless motors

What are the characteristics and working principles of brushless motors

  • Categories:Industry News
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  • Time of issue:2021-09-28 14:50
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(Summary description)Brushless DC motors have the following characteristics:

What are the characteristics and working principles of brushless motors

(Summary description)Brushless DC motors have the following characteristics:

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2021-09-28 14:50
  • Views:
Information

Brushless DC motors have the following characteristics:
1. The brushless DC motor has good external characteristics and can output large torque at low speed, so that it can provide large starting torque;

2. The brushless DC motor has a wide speed range and can run at full power at any speed;

3. The brushless DC motor has high efficiency and strong overload capacity, which makes it have excellent performance in the drag system;

4. The regenerative braking effect of the brushless DC motor is good. Because its rotor is made of permanent magnet material, the motor can enter the generator state when braking;

5. Brushless DC motor has small size and high power density;

6. The brushless DC motor has no mechanical commutator and adopts a fully enclosed structure, which can prevent dust from entering the motor and has high reliability;

7. The drive control of the brushless DC motor is simpler than that of the asynchronous motor.

The working principle of brushless DC motor:
The stator of a brushless DC motor is a coil winding armature, and the rotor is a permanent magnet. If only a fixed DC current is applied to the motor, the motor can only generate a constant magnetic field, and the motor cannot rotate. Only the position of the motor rotor is detected in real time, and then the different phases of the motor are connected with corresponding currents according to the position of the rotor. The stator generates a rotating magnetic field with uniform changes in direction, so that the motor can rotate with the magnetic field.

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What are the characteristics and working principles of brushless motors

Brushless DC motors have the following characteristics:
2021-09-28
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