IEEE节点matlab潮流程序.doc
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Bus=[1,0,0;
2,100,60;
3,90,40;
4,120,80;
5,60,30;
6,60,20;
7,200,100;
8,200,100;
9,60,20;
10,60,20;
11,45,30;
12,60,35;
13,60,35;
14,120,80;
15,60,10;
16,60,20;
17,60,20;
18,90,40;
19,90,40;
20,90,40;
21,90,40;
22,90,40;
23,90,40;
24,420,200;
25,420,200;
26,60,25;
27,60,25;
28,60,20;
29,120,70;
30,200,600;
31,150,70;
32,210,100;
33,60,40;];
Branch=[1,1,2,0.0922,0.0407;
2,2,3,0.4930,0.2511;
3,3,4,0.3660,0.1864;
4,4,5,0.3811,0.1941;
5,5,6,0.8190,0.7070;
6,6,7,0.1872,0.6188;
7,7,8,0.7144,0.2351;
8,8,9,1.0300,0.7400;
9,9,10,1.0440,0.7400;
10,10,11,0.1966,0.065;
11,11,12,0.3744,0.1238;
12,12,13,1.4680,1.1550;
13,13,14,0.5416,0.7129;
14,14,15,0.5910,0.5260;
15,15,16,0.7463,0.5450;
16,16,17,1.2890,1.7210;
17,17,18,0.7320,0.5740;
18,2,19,0.1640,0.1565;
19,19,20,1.5042,1.3554;
20,20,21,0.4095,0.4784;
21,21,22,0.7089,0.9373;
22,3,23,0.4512,0.3083;
23,23,24,0.8980,0.7091;
24,24,25,0.8960,0.7011;
25,6,26,0.2030,0.1034;
26,26,27,0.2842,0.1447;
27,27,28,1.0590,0.9337;
28,28,29,0.8042,0.7006;
29,29,30,0.5075,0.2585;
30,30,31,0.9744,0.9630;
31,31,32,0.3105,0.3619;
32,32,33,0.3410,0.5302;];
[busnum,row]=size(Bus);
[branchnum,row]=size(Branch);
soubus=Branch(:
2);
mobus=Branch(:
3);
Vbus=ones(busnum,1);
Vbus(:
1)=12.66;
Vbus1=Vbus;
Ploss=zeros(busnum,1);
Qloss=zeros(busnum,1);
e=1;
k=0;
Branch1=Branch;
n=1;
while~isempty(Branch1)
m=1;
[s,row]=size(Branch1);
whiles>0
t=find(Branch1(:
2)==Branch1(s,3));
ifisempty(t)
T1(n,:
)=Branch1(s,:
);
n=n+1;
else
T2(m,:
)=Branch1(s,:
);
m=m+1;
end;
s=s-1;
end;
Branch1=T2;
T2=[];
end;
whilee>1.0e-05
P=zeros(busnum,1);
Q=zeros(busnum,1);
fors=1:
branchnum
i=T1(s,2);
j=T1(s,3);
R=T1(s,4);
X=T1(s,5);
Pload=Bus(j,2);
Qload=Bus(j,3);
II=((Pload+P(j))^2+(Qload+Q(j))^2)/(Vbus(j)^2*1000);
Ploss(i,j)=II*R;
Qloss(i,j)=II*X;
P(i,j)=Pload+Ploss(i,j)+P(j);
Q(i,j)=Qload+Ploss(i,j)+Q(j);
P(i)=P(i)+P(i,j);
Q(i)=Q(i)+Q(i,j);
end;
fors=branchnum:
-1:
1
i=T1(s,2);
j=T1(s,3);
R=T1(s,4);
X=T1(s,5);
Vbus(j)=(Vbus(i)-(P(i,j)*R+Q(i,j)*X)/(Vbus(i)*1000))^2+((P(i,j)*X-Q(i,j)*R)/(Vbus(i)*1000))^2;
Vbus(j)=sqrt(Vbus(j));
end;
e=max(abs(Vbus1-Vbus));
Vbus1=Vbus;
k=k+1;
end