AC Induction Motor Induction motors derive their name from the fact that ... These motors are often used for fans and can be varied in speed with TRIAC controls. Permanent Split Capacitor Motor A PSC ...

Over 90% of all motors are AC induction motors because of their simplicity ... of air between the inside and the outside of the enclosure. Common ratings are TEFC (fan-cooled) and TENV (non-ventilated ...

this isn’t true of ceiling fans. These motors are a type called induction motors which, as a cost saving measure, have no permanent magnets and therefore can’t simply be used as a generator.