railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Alternator and Synchronous Motors Alternator Rotor Types
The salient pole type construction is suitable for running low-speed prime-movers. Which of the following suits the best explanation for the above statement?
1
The air gap flux should not be affected by the rotor angle position.
2
Such machines should have comparatively larger rotor diameter.
3
Such machines should have relatively small number of poles.
4
Such machines should have relatively smaller rotor diameter.