Asynchronous motors with single-phase AC power supply are calledSingle-phase asynchronous motorIn the stator, in addition to its working winding, there will be a starting winding, the difference between the two90°In the wiring, the starting winding series capacitor, and the working winding in parallel on the AC power supply, when the difference90Read the current into the space is also different90°After the two windings, a rotating magnetic field is generated.

       In AC motor, when the stator winding passes through AC current, the armature magnetomotive force is established, which has great influence on the energy conversion and operation performance of the motor. Therefore, single-phase AC winding passes into single-phase AC to generate pulse magnetomotive force. The magnetomotive force can be decomposed into two rotating magnetomotive forces with equal amplitude and opposite speed, so as to establish the vertical and reverse magnetic field sums in the air gap. These two rotating magnetic fields cut the rotor conductor and generate an induced electromotive force and an induced current in the rotor conductor, respectively .

       In addition to using capacitors for phase separation, inductance or resistance can also be used to separate the phase by changing the capacitorCThe position of the single-phase asynchronous motor can be reversed.

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