A 500-kVA, 3.3-kV, 3-Phase star-connected alternator is found to give – McqOptions

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1.	A 500-kVA, 3.3-kV, 3-Phase star-connected alternator is found to give a short-circuit current of 110√3 A at normal field current. Estimate the magnitude of synchronous reactance if the effective winding resistance per phase is 1 ohm.
A.	Xs = √102 Ω
B.	Xs = √99 Ω
C.	Xs = √101 Ω
D.	Xs = 10 Ω
Answer» C. Xs = √101 Ω

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