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//to calculate %voltage reg and efficiency
clc;
P=500000;
V1=2200;
V2=1100;
V0=110;
I0=10;
P0=400;
Y0=I0/V0;
Gi=P0/(V0^2);
Bm=sqrt(Y0^2-Gi^2);
Vsc=90;
Isc=20.5;
Psc=808;
Z=Vsc/Isc;
R=Psc/Isc^2;
X=sqrt(Z^2-R^2);
TR=V1/V2;
Gi_HV=Gi/TR^2;
Bm_HV=Bm/TR^2;
R_LV=R/TR^2;
X_LV=X/TR^2;
I2=P/V2;
pf=.8;
Th=acos(pf);
dV=I2*(R_LV*cos(Th)+X_LV*sin(Th));
VR=(dV/V2)*100; disp(VR,'voltage regulation(%)');
Pi=P0;
Pc=Psc;
n=P*100/(P+Pi+Pc);disp(n,'eff(%)');
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