What are the main components of a brushless motor?

A brushless motor is a commonly used motor, but some people may know what it is composed of, but I believe many people do not know it. Today we will understand the important components of a brushless motor.

　　 The brushless motor is mainly composed of a permanent magnet rotor, a multi-pole winding stator, and a position sensor. The position sensor commutation of the stator winding current in a certain order according to the change of the rotor position (that is, detecting the position of the rotor pole relative to the stator winding, and generating a position sensing signal at a determined position, which is processed by the signal conversion circuit To control the power switch circuit, switch the winding current according to a certain logical relationship). The working voltage of the stator winding is provided by the electronic switch circuit controlled by the position sensor output.

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