Cheap Synchro Motor

- Oct 27, 2020-

What's the difference between a synchronous motor and an asynchronous motor?Induction motors (induction motors) work by generating an induced current in the rotor through the stator's rotating magnetic field, which generates an electromagnetic torque. The rotor does not directly generate a magnetic field.Therefore, the rotor speed must be less than the synchronous speed (without this difference, that is, slip, there is no rotor induced current), also called asynchronous motor.The stator's rotating magnetic field "drags" the rotor's magnetic field, so the rotor must rotate at the same speed as the synchronous speed, which is also called the synchronous motor.As a motor, most of the asynchronous machine is used;Generators are synchronous machines.

The difference between synchronous and asynchronous motors Three-phase ALTERNATING current through a certain structure of the winding, to produce a rotating magnetic field.Under the action of a rotating magnetic field, the rotor rotates with the rotating magnetic field.If the rotation speed of the rotor is exactly the same as that of the rotating magnetic field, it is a synchronous motor;If the rotor speed is less than the magnetic field speed, that is to say, the two are not synchronous, is an asynchronous motor.Asynchronous motors are simple in structure and widely used.Synchronous motors require fixed poles (permanent magnet or electromagnetic) in the rotor, such as alternators and synchronous motors.The speed of the motor (stator speed) is less than the speed of the rotating magnetic field, so it is called asynchronous motor. It is basically the same as induction motor. S =(NS-N)/ NS S is the slip


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