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// To calculate terminal voltage and current and efficiency
clc;
clear;
n=10; // Transformation ratio
E1=200;
R0=400;
X0=251*%i;
R1=0.16;
X1=0.7*%i;
R2=5.96; // As referred to the primary side
X2=4.44*%i; // As referred to the primary side
I1=E1/(R1+R2+X1+X2);
t1=atand(imag(I1)/real(I1));// Angle for primary current
Iw=E1/R0;
Im=E1/X0;
Ip=Iw+Im+I1;
Zl=R2+X2;
V2p=I1*Zl;// Secondary terminal voltage referred to primary side
V2=n*V2p;
t2=atand(imag(V2)/real(V2)); // Angle for V2
Po= (abs(I1)^2)*R2; // Output power
Pc=(abs(I1)^2)*R1;// Copper Loss
Pil=(abs(Iw)^2)*R0;// Iron Loss
eff= Po*100/(Po+Pc+Pil)// Efficiency
printf('a) The secondary terminal voltage = %f /_%f V \n',abs(V2),t2)
printf('b) The primary current = %f /_%f A \n',abs(I1),t1)
printf('c) The efficiency is %f percent \n',eff)
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