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// Calculate the circuit parameters of a transformer using OC and SC tests
clc;
clear;
E1=200;
E2=400;
n=E2/E1; // Transformation ratio
// O.C Calculations
V1=200;
Ioc=0.7;
Pi=70;
R0=(V1^2)/Pi;
Iw=V1/R0;
Im=sqrt((Ioc^2)-(Iw^2));
X0=V1/Im;
//S.C Calculations on HT side
Pc=80;
I=10;
V=15;
Rth= Pc/(I^2);
Z=V/I;
Xth=sqrt((Z^2)-(Rth^2));
// Both these value are referred to HT side, but the answer is required to be referred to LT side
Xtl=Xth/(n^2); // Reactance referred to LT side
Rtl=Rth/(n^2); // Resistance referred to LT side
printf('The Circuit parameters referred to LT side is as follows \n')
printf('Ro = %f ohms \n Xo = %f ohms \n Rt = %f ohms \n Xt = %f ohms \n',R0,X0,Rtl,Xtl)
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