A synchronous motor connected to infinite busbars has at constant full-load, 100% excitation and unity pf.
On changing the excitation only, the armature current will have

Question

A synchronous motor connected to infinite busbars has at constant full-load, 100% excitation and unity pf.
On changing the excitation only, the armature current will have

TuteeHUB · Accepted Answer

. lagging pf with over excitation

TuteeHUB · Answer

leading pf with under-excitation

TuteeHUB · Answer

leading pf with over excitation

TuteeHUB · Answer

no change of pf

1.	A synchronous motor connected to infinite busbars has at constant full-load, 100% excitation and unity pf. On changing the excitation only, the armature current will have
A.	leading pf with under-excitation
B.	leading pf with over excitation
C.	. lagging pf with over excitation
D.	no change of pf
Answer» C. . lagging pf with over excitation

A synchronous motor connected to infinite busbars has at constant full-load, 100% excitation and unity pf. On changing the excitation only, the armature current will have

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