A 720 kVA, 240√3 V, star connected synchronous machine generates rat – McqOptions

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1.	A 720 kVA, 240√3 V, star connected synchronous machine generates rated open circuit voltage at a field current of 20 A. A field current of 10 A produces rated armature current under short circuit condition. Per unit saturated synchronous reactance is:
A.	2
B.	0.5
C.	0.4
D.	1.5
Answer» C. 0.4

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