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clear;
clc;
xst=20;
xtr=28;
xs=250;
xt=15;
v1=25e3;
r1=500e6/.8;
v2=220e3;
rb=600e6;
vb=25e3;
xf=rb/r1;
xst=xst*xf/100;
xtr=xtr*xf/100;
xs=xs*xf/100;
xt=xt/100;
xeqs=inv(inv(xst)+inv(xt));
xeqt=inv(inv(xtr)+inv(xt));
xeg=inv(inv(xs)+inv(xt));
e=1;
xeqs=round(xeqs*1000)/1e3;
is=e/xeqs;
is=round(is);
it=e/xeqt;
ig=e/xeg;
i1=is*xt/(xt+xst);
i2=is*xst/(xst+xt);
ib=rb/(1.726*22.2*1e3);
Is=is*ib;
i1=round(i1*10)/10;
Is=round(Is/1e3)*1e3;
i2=fix(i2*100)/0100;
I1=i1*ib;
I2=i2*ib;
I1=fix(I1/1e2)*1e2;
I2=fix(I2/1e2)*1e2;
mprintf("total subtransient current T-off=%fkA\nsubtransient current on generator side=%fkA\n subtransient current on transformer side=%fkA",Is/1e3,I1/1e3,I2/1e3);
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