railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Alternator and Synchronous Motors
Which of the following is NOT true for the Synchronous motor?
1
Synchronous motor is inherently not self-starting.
2
The speed of the synchronous motor is independent of the load.
3
It can operate at any electrical power factor (leading, UPF, or lagging)
4
It does not find any application where operating speed is less (around 500 rpm) and high power is required.