railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Alternator and Synchronous Motors Synchronous Motor Starting
If a synchronous motor is switched on to 3-phase supply with its rotor winding short-circuited, it will:
1
start
2
not start
3
start and continue to run as induction motor
4
start and continue to run as synchronous motor