matlab潮流计算程序14节点.doc

JD=14;ZL=20;WC=0.01;ZP=1,2,0.01335,0.04211,0.0,0.0;1,3,0.0,0.20912,0.0,0.0;1,4,0.0,0.55618,0.0,0.0;1,10,0.05811,0.17632,0.0,0.0340;1,11,0.06701,0.17103,0.0,0.0128;2,10,0.05695,0.17388,0.0,0.0346;2,12,0.0,0.25202,0.0,0.0;2,14,0.05403,0.22304,0.0,0.0492;3,4,0.0,0.11001,0.0,0.0;3,13,0.0,0.17615,0.0,0.0;4,5,0.03181,0.08450,0.0,0.0;4,9,0.12711,0.27038,0.0,0.0;5,6,0.08205,0.19207,0.0,0.0;6,12,0.09498,0.19890,0.0,0.0;7,8,0.22092,0.19988,0.0,0.0;7,12,0.12291,0.25581,0.0,0.0;8,9,0.17093,0.34802,0.0,0.0;8,12,0.06615,0.13027,0.0,0.0;10,11,0.04699,0.19797,0.0,0.0438;10,14,0.01938,0.05917,0.0,0.0528;JP=1,1,-0.478,0.039,1.0,0.0;2,1,-0.076,-0.016,1.0,0.0;3,1,0.0,0.0,1.0,0.0;4,1,-0.295,-0.166,1.0,0.0;5,1,-0.09,-0.058,1.0,0.0;6,1,-0.035,-0.018,1.0,0.0;7,1,-0.061,-0.016,1.0,0.0;8,1,-0.135,-0.058,1.0,0.0;9,1,-0.149,-0.05,1.0,0.0;10,2,0.183,0.0,1.045,0.0;11,2,-0.942,0.0,1.010,0.0;12,2,-0.112,0.047,1.70,0.0;13,2,0.0,0.174,1.90,0.0;14,0,0.0,0.0,1.060,0.0;N1,N2=size(ZP);p=max(ZP(:,1);q=max(ZP(:,2);max1=max(p,q);Y=zeros(max1);for n=1:N1 i1=ZP(n,1);j1=ZP(n,2);r=ZP(n,3);x=ZP(n,4);g=ZP(n,5);b=ZP(n,6); m=r*r+x*x; if i1=j1 Y(i1,i1)=Y(i1,i1)+r/m-j*x/m+j*b; else Y(i1,j1)=Y(i1,j1)-r/m+j*x/m; Y(j1,i1)=Y(i1,j1); Y(i1,i1)=Y(i1,i1)+r/m-j*x/m+j*b; Y(j1,j1)=Y(j1,j1)+r/m-j*x/m+j*b; endend%导纳矩阵生成V=zeros(1,JD);XJ=zeros(1,JD);P=zeros(1,JD);Q=zeros(1,JD);V2=zeros(1,JD);G=real(Y);B=imag(Y);for i=1:JD V(i)=JP(i,5); XJ(i)=JP(i,6); P(i)=JP(i,3); Q(i)=JP(i,4); V2(i)=V(i)*V(i); end %赋值DD=0;PD=1;for i=1:JD e(i)=V(i)*cos(XJ(i); f(i)=V(i)*sin(XJ(i); end while PD=0 PD=0;DD=DD+1; n=JD-1; H=zeros(n);N=zeros(n);J=zeros(n);L=zeros(n);R=zeros(n);S=zeros(n); for i=1:n for k=1:n if(i=k) H(i,k)=-B(i,k)*e(i)+G(i,k)*f(i); N(i,k)=G(i,k)*e(i)+B(i,k)*f(i); J(i,k)=-N(i,k); L(i,k)=H(i,k); R(i,k)=0; S(i,k)=0; else a1=0;b1=0; for i1=1:n a1=a1+G(i,i1)*e(i1)-B(i,i1)*f(i1); b1=1+G(i,i1)*f(i1)-B(i,i1)*e(i1); end H(i,k)=-B(i,k)*e(i)+G(i,k)*f(i)+b1; N(i,k)=G(i,k)*e(i)+B(i,k)*f(i)+a1; J(i,k)=-G(i,k)*e(i)-B(i,k)*f(i)+a1; L(i,k)=-B(i,k)*e(i)+G(i,k)*f(i)-b1; R(i,k)=2*f(i); S(i,k)=2*e(i); end end end J2n=zeros(2*n); for i=1:n if(JP(i,2)=1) for k=1:n J2n(2*i-1,2*k-1)=H(i,k); J2n(2*i-1,2*k)=N(i,k); J2n(2*i,2*k-1)=J(i,k); J2n(2*i,2*k)=L(i,k); end else for k1=1:n J2n(2*i-1,2*k1-1)=H(i,k1); J2n(2*i-1,2*k1)=N(i,k1); J2n(2*i,2*k1-1)=R(i,k1); J2n(2*i,2*k1)=S(i,k1); end end end for i=1:n XP(i)=0;XQ(i)=0; XV2(i)=e(i)*e(i)+f(i)*f(i); for k=1:n XP(i)=XP(i)+e(i)*(G(i,k)*e(k)-B(i,k)*f(k)+f(i)*(G(i,k)*f(k)+B(i,k)*e(k); XQ(i)=XQ(i)+f(i)*(G(i,k)*e(k)-B(i,k)*f(k)-e(i)*(G(i,k)*f(k)+B(i,k)*e(k); end DP(i)=P(i)-XP(i); DQ(i)=Q(i)-XQ(i); DV2(i)=V2(i)-XV2(i); end PQU=zeros(2*n,1); for i=1:n PQU(2*i-1,1)=DP(i); if(JP(i,2)=1) PQU(2*i,1)=DQ(i); else PQU(2*i,1)=DV2(i); end end ma