Formation of Y Bus Matrix

FORMATION OF Y BUS MATRIX

PROGRAM:

clc;

n=input('Enter the no. of buses:')

for i=1:n

for j=1:n

if(i==j)

y(i,j)=0;

a(i,j)=0;

else

i

j

z(i,j)=input('Enter the self impedance:');

if(z(i,j)==0)

y(i,j)=z(i,j);

else

y(i,j)=1/z(i,j);

end

a(i,j)=input('Enter the line changing admittance:');

end

end

end

for i=1:n

for j=1:n

if(i==j)

r(i,j)=0;

for k=1:n

                r(i,j)=y(i,k)+a(i,k)+r(i,j);

end

else

r(i,j)=-y(i,j);

end

end

end

disp('The resultant Y-bus is:');

r