This assignment requires a MATLAB code using background from power system analysis (Y BUS Matrix)....

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This assignment requires a MATLAB code using background from power system analysis (Y BUS Matrix). Read instructions 1 of 1 and 1 of 2. The rest of the file attachments are examples of problems to test your code.

Vishvajeet · Accepted Answer

First version "Transmission line only "
%        Bus   Bus     R        X       G        B       a
%        No.   No.    p.u.     p.u.     p.u.    p.u.
linedata=[1     2     0.1      0.2      0       0        1
          1     4     0.05     0.2      0       0.22     1
          2     3     0.05     0.25     0.05    0.11     1
          2     4     0.05     0.1      0.1     0.25     1
          2     6     0.07     0.2      0.2     0.28     1
          3     5     0.12     0.26     0.01    0.3      1
          3     6     0.02     0.1      0       0        1
          4     5     0.02     0.4      0       0        1
          5     6     0.1      0.3      0       0.22     1];
nl = linedata(:,1);
nr = linedata(:,2);
R = linedata(:,3);
X = linedata(:,4);
B = j*linedata(:,6);
G = j*linedata(:,5);
Bc = .5*( G + j*B);
a = linedata(:,7);
nbr=length(nl); %linedata(:,1)
nbus = max(max(nl), max(nr));
Z = R + j*X;
y= ones(nbr,1)./Z;
Ybus=zeros(nbus,nbus);%branch admittance
     % initialize Ybus to zero
               % formation of the off diagonal elements
              % formation of the diagonal elements
for  n=1:nbus ;
     for k=1:nbr
           Ybus(nl(k),nr(k))=Ybus(nl(k),nr(k))-y(k)/a(k);
       Ybus(nr(k),nl(k))=Ybus(nl(k),nr(k));
         if nl(k)==n
         Ybus(n,n) = Ybus(n,n)+y(k)/(a(k)^2) + Bc(k);
         elseif nr(k)==n
         Ybus(n,n) = Ybus(n,n)+y(k) +Bc(k);

This assignment requires a MATLAB code using background from power system analysis (Y BUS Matrix). Read instructions 1 of 1 and 1 of 2. The rest of the file attachments are examples of problems to...

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