In the case of an alternator connected to an infinite bus, the active – McqOptions

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1.	In the case of an alternator connected to an infinite bus, the active power can be varied by:
A.	changing both, prime mover speed and field excitation
B.	changing the prime mover speed
C.	changing the field excitation
D.	changing the power factor
Answer» C. changing the field excitation

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