In a three-phase squirrel-cage induction motor, an increased starting torque can be obtained by which of the following methods? A) Using deep-bar rotors B) Increasing the frequency of operation C) Increasing the number of poles D) Using a double-cage rotor

Which design feature is primarily associated with the rotor of a high-speed turbo-alternator to handle centrifugal forces and minimize windage losses?

In a Doubly-Fed Induction Generator (DFIG) used for variable speed wind energy conversion, the stator is connected to the ________ supply and the rotor is connected to the ________ supply.