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Induction motors are often braked rapidly by a technique known as plugging, which is the reversal of the phase sequence of the voltagesupplying the motor. Assume that a motor with four poles is operating at 1750 r/min from an in?nite bus (a load-independent voltage supply) at 60 Hz. Two of the stator supply leads are suddenly interchanged.
(a) Find the new slip.
(b) Calculate the new rotor current frequency.
design single phase distribution circuit from a supply point to a load
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Explain the Cylindrical or Round Rotors? All synchronous machines have a similar stator design and it is actually the rotor construction that makes them different. The rotor is
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