A 415 V, three-phase star-connected alternator supplies a delta-connected load, each phase of which has an impedance of (86∠54.46°) Ω. Calculate kVA rating of the alternator, neglecting losses in the line between the alternator and load.
a)6.002 kVA
b)3.465 kVA
c)4 KVA
d)8 KVA