threephasese-onlyenquationc.../jacobian_M.m

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1.2 KiB
Mathematica
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function [Jacob]=jacobian_M3(Busnum,Volt,Y,Angle,UAngel,r,c)
%**************************************************************************
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%**************************************************************************
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AngleIJ=UAngel(r)-UAngel(c)-Angle;
mat_AngleIJ=sparse(r,c,AngleIJ,Busnum*3,Busnum*3);
H=diag(Volt)*Y.*sin(mat_AngleIJ)*sparse(1:Busnum*3,1:Busnum*3,Volt,Busnum*3,Busnum*3)-sparse(1:Busnum*3,1:Busnum*3,Y.*sin(mat_AngleIJ)*Volt,Busnum*3,Busnum*3)*sparse(1:Busnum*3,1:Busnum*3,Volt,Busnum*3,Busnum*3);
N=-diag(Volt)*Y.*cos(mat_AngleIJ)*sparse(1:Busnum*3,1:Busnum*3,Volt,Busnum*3,Busnum*3)+sparse(1:Busnum*3,1:Busnum*3,Y.*cos(mat_AngleIJ)*Volt,Busnum*3,Busnum*3)*sparse(1:Busnum*3,1:Busnum*3,Volt,Busnum*3,Busnum*3);
J=sparse(1:Busnum*3,1:Busnum*3,Y.*cos(mat_AngleIJ)*Volt,Busnum*3,Busnum*3)+Y.*cos(mat_AngleIJ)*sparse(1:Busnum*3,1:Busnum*3,Volt,Busnum*3,Busnum*3);
L=sparse(1:Busnum*3,1:Busnum*3,Y.*sin(mat_AngleIJ)*Volt,Busnum*3,Busnum*3)+Y.*sin(mat_AngleIJ)*sparse(1:Busnum*3,1:Busnum*3,Volt,Busnum*3,Busnum*3);
t1=[J,H;
L,N;
];
Jacob=t1;
end