If in a 3 phase 3.5 MVA, 4160 V star connected alternator, a field cur – McqOptions

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1.	If in a 3 phase 3.5 MVA, 4160 V star connected alternator, a field current of 200 A produces full load current on short circuit and 4750 V on open circuit, its synchronous impedance is:
A.	9.77 Ω
B.	23.75 Ω
C.	5.64 Ω
D.	13.7 Ω
Answer» D. 13.7 Ω

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