Multiple Choice
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
Correct Answer:
Verified
Correct Answer:
Verified
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