railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Alternator and Synchronous Motors Effect of Excitation on Armature Current and Power Factor
Which of the following statements is correct?
1
Under excited alternator will operate at lagging power factor.
2
Overexcited alternator will operate at leading power factor.
3
Overexcited alternator will operate at unity power factor.
4
Overexcited alternator will operate at lagging power factor.