During a short-circuit test, a Y-connected synchronous generator produces 100 A of short-circuit armature
current per phase at a field current of 2.5 A. At the same field current, the open-circuit line voltage is
measured to be 440 V.
(a) Calculate the saturated synchronous reactance under these conditions.
(b) If the armature resistance is 0.3 Ω per phase, and the generator supplies 60 A to a purely resistive
Y-connected load of 3 Ω per phase at this field current setting, determine the voltage regulation under
these load conditions.