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b=b1+b2+b0;
c=a./b;
I=sum(c);
u1=n-I*b1;
u2=-I*b2;
u0=-I*b0;
U1 = sparse( LineI, LineJ, u1(LineI)-u1(LineJ),22,22);I1=U1./Z1;
U2 = sparse( LineI, LineJ, u2(LineI)-u2(LineJ),22,22);I2=U2./Z2;
U0 = sparse( LineI, LineJ, u0(LineI)-u0(LineJ),22,22);
k=1;
for j=1:BranchNum
if LineX0(k)==0
U0( LineI(k), LineJ(k))=0;
end
k=k+1;
end
Z=zeros(22,22);
k=1;
for j=1:BusNum
if ismember(LineI(k), Linei)==1 || ismember(LineJ(k), Linei)==1
Z( LineI(k),LineJ(k))=LineX0(k)*1i ;
end
k=k+1;
end
Z=sparse(Z);
Z=Z+Z0;
m=1;
for i=1:BusNum
x=1;
for j=1:BusNum
if Z(x,m)==0
Z(x,m)=1;
end
x=x+1;
end
m=m+1;
end
I0=U0./Z;
If=3*I;
U=[u1,u2,u0]';
Uabc=T*U;
Ia=I1+I2+I0;
Ib=p*I1+q*I2+I0;
Ic=q*I1+p*I2+I0;