We knowThree-phase asynchronous motorThe advantage is to meet the current use, the cost is more saving, and it has obvious advantages compared with other motors. todayMori machineXiaobian and everyone to understand why some called "asynchronous" motor:

       First of allThree-phase induction motorAlso known as: induction motor; Its working principle is that the stator generates a rotating magnetic field inside the rotor through three-phase alternating current, and the metal wire of the rotor generates current through the operation of the magnetic induction line. The rotation speed of the stator is always faster than the speed of the rotor is called asynchronous motor.

       That is to say, the rotor does not directly generate a magnetic field, so the rotor speed must be less than the synchronous speed, soThree-phase asynchronous motorIts asynchronous generation is actually a slip rate. "Three-phase" means that the voltage is three-phase electricity, and the power supply mode is120°The electrical Angle generates an alternating magnetic field that drives the motor to work.

       Three-phase asynchronous motorThe speed of the rotor will not synchronize with the rotating magnetic field, let alone exceed the speed of the rotating magnetic field. Because the induced current in the rotor coil is caused by the relative motion of the rotor conductor and the magnetic field. If the rotation speed of the rotor is equal to the rotation speed of the rotating magnetic field, then there is no relative motion between the magnetic field and the rotor, the conductor can not cut the magnetic field line, so there will be no induction potential and current in the rotor coil, and the rotor conductor will not be affected by the electromagnetic force in the magnetic field and make the rotor rotate.

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