A 50 Hz alternator is rated 500 MVA, 20 kV, with Xd = 1.0 per unit and X"d = 0.2 per unit. It supplies a purely resistive load of 400 MW at 20 kV. The load is connected directly across the generator terminals when a symmetrical fault occurs at the load terminals. The initial rms current in the generator in per unit is __________

A 50 Hz alternator is rated 500 MVA, 20 kV, with Xd = 1.0 per unit and

1.	A 50 Hz alternator is rated 500 MVA, 20 kV, with X_d = 1.0 per unit and X_"d = 0.2 per unit. It supplies a purely resistive load of 400 MW at 20 kV. The load is connected directly across the generator terminals when a symmetrical fault occurs at the load terminals. The initial rms current in the generator in per unit is __________
A.	3.022
B.	3.22
C.	53.26
D.	542.5
Answer» C. 53.26

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