_A synchronous motor connected to infinite bus-bars has at constant fu – McqOptions

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

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