Answer / vijendra joglekar

when the frequency of the motor will be decreases the speed
of the motor will be increases i.e both are indepedent to
each other for an examples cascade induction motor&pole
changing induction motor for this reason only it can be used
in all domestic appliances like cleaners ,washers,tumble
dryers&pumps etc

Answer / ravi693

Yes, by injected emf to rotor coils.

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