Phasor addition of stator & rotor mmfs is possible in smooth cylindrical synchronous generator because both are stationary with respect to each other.

Q.  The phasor addition of stator and rotor mmfs is possible in a smooth cylindrical synchronous generator because
- Published on 27 Oct 15

a. Mmfs of stator and rotor are stationary with respect to each other
b. Mmf of stator is stationary and that of rotor is rotating
c. Mmf of stator is rotating and that of rotor is stationary
d. None of these

ANSWER: Mmfs of stator and rotor are stationary with respect to each other

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