发布时间 : 星期四 文章题目19：基于MATLAB的电力系统复杂潮流计算更新完毕开始阅读
k=k+1;
disp('迭代次数:'); disp(k); end for m=1:5
I(m)=(G(1,m)+B(1,m)*i) *u(m); end
disp('平衡节点的功率');
S1=u(1)*sum(conj(I))%计算平衡节点的功率 for m=1:5 for n=1:5
S(m,n)=u(m)*(conj(u(m))-conj(u(n)))*conj(-(G(m,n)+B(m,n)*i));%计算各支路功率 end end
disp('各支路功率');disp(S) %结束 3.5 MATLAB的计算结果 节点总数为： N = 5 平衡节点为： ans = 1 PQ节点为： JD =
2 3 4 5 节点电导矩阵G为:
6.2500 -5.0000 -1.2500 0 0 -5.0000 10.8340 -1.6670 -1.6670 -2.5000 -1.2500 -1.6670 12.9170 -10.0000 0
0 -1.6670 -10.0000 12.9170 -1.2500 0 -2.5000 0 -1.2500 3.7500 节点电纳矩阵B为:
-18.7500 15.0000 3.7500 0 0 15.0000 -32.5000 5.0000 5.0000 7.5000 3.7500 5.0000 -38.7500 30.0000 0 0 5.0000 30.0000 -38.7500 3.7500 0 7.5000 0 3.7500 -11.2500 雅克比矩阵J:
Columns 1 through 6
33.4000 10.5340 -5.0000 -1.6670 -5.0000 -1.6670 -11.1340 31.6000 1.6670 -5.0000 1.6670 -5.0000 -5.0000 -1.6670 38.9750 12.8420 -30.0000 -10.0000 1.6670 -5.0000 -12.9920 38.5250 10.0000 -30.0000 -5.0000 -1.6670 -30.0000 -10.0000 38.7500 12.9170 1.6670 -5.0000 10.0000 -30.0000 -12.9170 38.7500 -7.5000 -2.5000 0 0 -3.7500 -1.2500 2.5000 -7.5000 0 0 1.2500 -3.7500 Columns 7 through 8 -7.5000 -2.5000 2.5000 -7.5000 0 0 0 0 -3.7500 -1.2500 1.2500 -3.7500 11.2500 3.7500 -3.7500 11.2500 C = 0.1000 0.7000 0.5250
0.3750 0.4000 0.0500 0.6000 0.1000
第M次修正方程的解A: 0.0473 0.0847 0.0863 0.1123 0.0922 0.1136 0.1076 0.1183
各点的电压实部e(单位:V)为(节点号从小到大排列): 1.0600 1.0847 1.1123 1.1136 1.1183 各点的电压虚部f单位:V)为(节点号从小到大排列): 0 0.0473 0.0863 0.0922 0.1076 节点电压的第C(k)次近似值: Columns 1 through 4
1.0600 1.0847 + 0.0473i 1.1123 + 0.0863i 1.1136 + 0.0922i Column 5
1.1183 + 0.1076i 迭代次数: 1 雅克比矩阵J:
Columns 1 through 6
36.7747 9.6974 -5.5023 -1.5717 -5.5023 -1.5717 -10.7317 34.7555 1.5717 -5.5023 1.5717 -5.5023 -5.7052 -1.4227 44.2583 11.3874 -34.2310 -8.5339 1.4227 -5.7052 -10.6594 44.1718 8.5339 -34.2310
-5.7215 -1.3952 -34.3289 -8.3688 44.2915 11.2101 1.3952 -5.7215 8.3688 -34.3289 -10.4101 44.3915 -8.6564 -1.9888 0 0 -4.3282 -0.9944 1.9888 -8.6564 0 0 0.9944 -4.3282 Columns 7 through 8 -8.2535 -2.3570 2.3570 -8.2535 0 0 0 0 -4.2911 -1.0461 1.0461 -4.2911 12.8846 3.5831 -2.3831 13.0846 C = 0.3132 0.9196 0.0414 0.1667 -0.0408 -0.0426 -0.0602 -0.0764
第M次修正方程的解A: -0.0022 0.0503 -0.0058 0.0435 -0.0066 0.0429 -0.0087 0.0409