How to find Y-Bus Admittance Matrix (Inspection method) in MATLAB | PSS LAB | EEE

 PROBLEM:

For the problem shown in the figure, find the bus admittance matrix.

Theoretical Calculation:

MATLAB Program :

clc

clear all;

disp('               Y-Bus Matrix Formation           ');

a=input('\nEnter send bus in 1st column, end bus in 2nd, Impedance in 3rd, admittance in 4th');

sb=a(:,1);

eb=a(:,2);

z=a(:,3);

ad=a(:,4);

y=(1./z);

sb1=max(sb);

eb1=max(eb);

bus=max(sb1,eb1)

line=length(a)

Y=zeros(bus,bus);

for k=1:line

    p=sb(k);

    q=eb(k);

    Y(p,p)=Y(p,p)+y(k)+ad(k);

    Y(q,q)=Y(q,q)+y(k)+ad(k);

    Y(p,q)=Y(p,q)-y(k);

    Y(q,p)=Y(p,q);

end

disp('Y-Bus Matrix = ');

disp(Y)

 

   

   

 MATLAB Output:

YouTube Video of My Channel on the Problem you can use this also

( If you have any problem in doing this you can comment below  , I will help as soon as possible)

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