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;
end
end%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
J2nzeros(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
max2=max(abs(PQU));
disp(max2);
if max2>WC
PD=1;
end
FE=inv(J2n)*PQU;
for i=1:n
e(i)=e(i)+FE(2*i);
f(i)=f(i)+FE(2*i-1);
end
end
disp(PQU);
disp(DD);