Q1) The parameters of the equivalent circuit for a 12 KVA, 120/480 V, 60 Hz transformer are, Ri-0.1 Ω, Χ-0.3 Ω, R-0.6 Ω, Χ,=1.2 Ω, Ro2-3.2 ΚΩ and X.1.2 ΚΩ a) Find the full load current at the 480 V...

Extracted text: Q1) The parameters of the equivalent circuit for a 12 KVA, 120/480 V, 60 Hz transformer are, Ri-0.1 Ω, Χ-0.3 Ω, R-0.6 Ω, Χ,=1.2 Ω, Ro2-3.2 ΚΩ and X.1.2 ΚΩ a) Find the full load current at the 480 V side. b) Draw the approximate equivalent circuit referred to the primary side (120 V side). c) Find the primary voltage, V1, if the transformer supplies full load current at the 480 V side. Use the approximate circuit you found in part (b). d) Find the full load CU losses. e) Calculate the full load efficiency at unity power factor, if the iron loss is 500 W.