4-14. During a short-circuit test, a Y-connected synchronous generator produces 100 A of s...

4-14. 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 per phase, and the generator supplies 60 A to a purely resistive Y-connected load of per phase at this field current setting, determine the voltage regulation under these load conditions.