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//Electric machines and power systems by Syed A Nasar
//Publisher:TataMcgraw Hill
//Year: 2002 ; Edition - 7
//Example 3.8
//Scilab Version : 6.0.0 ; OS : Windows
clc;
clear;
v1=2400; //primary voltage of transformer in v
v2=480; //secondary voltage of transformer in v
xm=400; //magnetising reactance in ohms
x1=.29; //primary leakage reactance in ohms
x2=.012; //secondary leakage reactance in ohms
R1=.058; //primary resistance in ohms
R2=.002; //secondary resistance in ohms
a=v1/v2;
k=xm/(xm+x1);
z10=R1+%i*(x1+xm);
z20=R2+%i*(x2+(xm/(a^2)));
z=(z10*z20)^(1/2);
ad=(z10+k*z)/(z20+k*z);
printf('the voltage transformation ratio is %f',ad)
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