Brush motor and brushless motor controller principle difference and different?

Speaking of motor knowledge, the first thing that comes to mind is the difference between a brush motor and brushless motor, which is also a cliché for many motor enthusiasts, many friends do not understand the principle of control of the two, Vacuz to introduce you! I hope it can help everyone!

Brush motor controller and brushless motor controller or there are differences, the connection method is also different, the specific differences are as follows.

Brush motor: mainly with mechanical commutation, the magnetic pole is fixed, the coil movement, the coil and the commutator fast rotation, the magnets and carbon brushes do not rotate, the coil current changes, mainly by the commutator and brushes to achieve. It is because of this, so there is a need for brush device, brushes produce friction, easy to damage, sparking, so brush motors require frequent maintenance, and in some precision, high demand places can not be used.

Brushless motor: and brush different, using electronic commutation, the stator coil does not move, the rotor pole rotation, a special set of electronic equipment, through Hall components, sensing the position of the permanent magnet pole, according to this perception, the use of electronic circuit, timely switch the direction of the current in the coil, to ensure the production of the correct direction of magnetic force to drive the motor. Not only does it eliminate the disadvantages of brushed motors, but all aspects of performance are more stable, and the key is that it is almost maintenance-free, easy and convenient, and can be applied to some high precision and environment.

The above is the brush motor and brushless motor commutation control difference and different, master these basic content, help to help you better understand the different motors, and related knowledge.

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