1. Resistance split-phase motor
2. Capacitor-start motor
3. Capacitor-start and capacitor-run motor
4. Shaded-pole motor
A single-phase ac current supplies the main winding that produces a pulsating magnetic field.
Mathematically, the pulsating field could be divided into two fields, which are rotating in opposite directions.
The interaction between the fields and the current induced in the rotor bars generates opposing torque.
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