Squirrel-cage type and winding type are a class of three-phase asynchronous motors, which are distinguished by the winding form of the rotor, and the stator part is basically the same, like a smallThree-phase squirrel-cage asynchronous motorIt has the advantages of small size, light weight and good quality, so it is widely used in agricultural production. Here is a small series with Senli motor to understand the difference between the two.

       The squirrel cage motor rotor is a cage type guide bar, the guide bar is usually copper, the guide bar is installed in the rotor core slot, both ends are welded with end rings, shaped like a squirrel cage, and small and medium-sized rotors are generally cast aluminum; Because the shape of the guide bar is similar to the squirrel cage, it is called the squirrel cage asynchronous motor.

       The winding of the wound rotor is similar to the stator winding, the three-phase winding is connected into a star shape, the three end wires are connected to the three copper slip rings installed on the rotating shaft, and the external circuit is connected through a set of brushes; When shorting the three wires of the rotor winding, it can be used as a squirrel cage motor.

       General three-phase squirrel cage induction motor is suitable for constant speed requiring hard characteristics; The three phase winding motor uses the soft characteristic of speed regulation.

       Squirrel-cage three-phase asynchronous motorThe working principle is that three-phase alternating current is passed into the stator winding to form a rotating magnetic field, and the closed guide bar on the rotor will induce potential and current because of the magnetic force line of the cutting stator magnetic field, and the charged conductor will produce motion in the magnetic field, then the rotor will rotate.

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