A 10 KVA, 200 V single-phase alternator with a 5 A disturbance produc – McqOptions

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1.	A 10 KVA, 200 V single-phase alternator with a 5 A disturbance produces a voltage of 200 V in the absence of load. When the terminals of the armature are short-circuited, the rated armature current flows with a disturbance of 2A. What would be its per unit impedance with a base voltage of 200 V and a base kVA of 20?
A.	1.6
B.	0.4
C.	0.8
D.	0.2
Answer» D. 0.2

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