Question

The ohmic resistance of a 50 kVA, 4,400 / 200 v transformer was measured and 5.4 ohms for the primary and 0.0085 ohms for the secondary. determine the joule losses and the voltage drops in each winding.

Answer 1

power loss = v*I
p1= 4400*5.4=23760
p2=200*.0085=1.7