In a synchronous motor, the synchronizing power comes into action when
A. rotor speed either exceeds or falls below the synchronous speed.
B. rotor speed is equal to synchronous speed.
C. rotor speed falls below the synchronous speed.
D. rotor speed exceeds the synchronous speed.
Answer:A
In a synchronous motor, the synchronizing power comes into action when
A. rotor speed either exceeds or falls below the synchronous speed. B. rotor speed is equal to synchronous speed. C. rotor speed falls below the synchronous speed. D. rotor speed exceeds the synchronous speed.