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//Calculate efficiency of transformer //Chapter 3
//Example 3.24
//page 233
clear;
clc;
disp("Example 3.24")
kVA=50; //rating of the transformer
V1=6360; //primary voltage rating
V2=240; //secondary voltage rating
pf=0.8
coreloss=2; //core loss in kilo watt from open circuit test
Culoss=2; //copper loss at secondary current of 175A
I=175; //current in amperes
I2=(kVA*1000)/V2;
printf("Full load secondary current,I2=%fA",I2);
effi=(kVA*pf*100)/((kVA*pf)+coreloss+(Culoss*(I2/I)^2))
printf("\nEfficiency=%fpercent",effi)
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