Q&A about ac motors and induction motors

Q&A about ac motors and single phase ac motor china induction motors
What’s single phase AC motor?
Single phase induction engine is an AC motor were electrical energy is changed into mechanical energy to execute some physical task. This induction motor requires only one power phase because of their proper operation. They are commonly used in low power applications, in household and industrial use.

How will an AC motor work single phase?
The stator of a single phase induction motor is wound with single phase winding. When the stator is fed with a single phase supply, it creates alternating flux (which alternates along one space axis just). Alternating flux acting on a squirrel cage rotor cannot produce rotation, just revolving flux can.

Can an individual phase motor run without a capacitor?
Single-phase induction motors are not self-starting without an auxiliary stator winding driven by an out of stage current of near 90°. Once began the auxiliary winding can be optional. The auxiliary winding of a long term split capacitor motor has a capacitor in series with it during starting and running.

How can you reverse a single phase motor?
Once started, a single phase induction motor will certainly happily run in either direction. To reverse it, we need to change the path of the rotating magnetic field made by the main and starter windings. And this can be achieved by reversing the polarity of the starter winding.


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