A synchronous machine is operating at constant load and at unity power – McqOptions

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1.	A synchronous machine is operating at constant load and at unity power factor. If its excitation is increased and then it operates as ___________
A.	motor at leading p.f
B.	motor at lagging p.f
C.	absorber of reactive power
D.	generator at leading p.f
Answer» B. motor at lagging p.f

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