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// Example 3.9
// Determine the minimum power rating required for each transformer
// Page No. 117
clc;
clear;
close;
// Given data
P=50000; // Transformer power rating
Eline=120; // Line voltage
FP=0.9 // Power factor lagging
VL=120;
// Line current is
Iline=P/(sqrt(3)*Eline*FP);
// Minimum power rating required for each transformer
Pmin=VL*Iline/1000;
// Display result on command window
printf("\n Minimum power rating required for each transformer = %0.1f kVA ",Pmin);
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