If the driving power from the prime-mover driving an alternator is lost but the alternator remains connected to the supply network and field supply is on, then the alternator will
A. behave as an induction motor but will rotate in an opposite direction
B. behave as a synchronous motor and will rotate in the same direction
C. get burnt
D. none of the above
Answer:B
If the driving power from the prime-mover driving an alternator is lost but the alternator remains connected to the supply network and field supply is on, then the alternator will
A. behave as an induction motor but will rotate in an opposite direction B. behave as a synchronous motor and will rotate in the same direction C. get burnt D. none of the above