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Difference between brushless motor and brush motor

Mar 17, 2017

When the brush motor works, the coil and the commutator rotation, the magnet and the carbon brush don't turn. The alternating changes of the coil current direction can complete by the motor rotation of the commutator and the brush. The brush motor include the sub-high-speed brush motor and low-speed brush motor. Brush motor has a carbon brush, however, brushless motor doesn't have.

                                                            brushless motor

The brushless DC motor is made of the motor body and the drive components. It is a typical mechanical and electrical integration products.Since the brushless DC motor is operated in a self-controlled state, it is not possible to start the winding on the rotor, and it will not oscillate and out of step when the load is abruptly changed.