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What is it about?

An electric motor is a device that converts electrical energy into mechanical energy. It uses an electrified coil (that is, the stator winding) to generate a rotating magnetic field and is applied to the rotor (such as a squirrel-cage closed aluminum frame) to form magnetoelectric rotational torque. Motors are divided into DC motors and AC motors according to the use of different power supplies, and most of the motors in the power system are AC motors, which can be synchronous motors or asynchronous motors (motor stator magnetic field speed and rotor rotation speed do not maintain synchronous speed). The motor is mainly composed of stator and rotor, and the direction of force movement of the energized wire in the magnetic field is related to the direction of the current and the direction of the magnetic induction line (magnetic field direction). The working principle of the motor is the action of the magnetic field on the current force, so that the motor rotates.