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发表于 2011-7-10 06:55:05
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本帖最后由 wjscar 于 2011-7-10 06:57 编辑
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BranchData = [];
) Z2 O6 I" u9 o* X; |6 VNodeData = [];
% U+ E- J$ \+ ?: r3 O. ?UB = 12.66;
+ y: E; r; R2 w6 ~0 ySB = 10; + \7 ^: B1 i, m& J6 Q/ W9 G, c
ZB = UB^2/SB;
4 q8 O) k- `: A7 U! |! LBranchData(:,[3,4]) = BranchData(:,[3,4]) / ZB; 1 |8 c: f: E# I
NodeData(:,[2,3]) = NodeData(:,[2,3]) / SB / 1000;
0 e4 q. e* y( w( z$ h$ Y# DBranchData(:,[1,2]) = BranchData(:,[1,2]) + 1; 6 _1 k/ R! ]; _
NN = 33;
, {! P* F+ ?: V/ w; w% ^: kA0 = zeros(NN);
}2 U9 x3 t9 g2 ?6 O7 jfor n = 1:32
" e) B- u8 [3 ^9 ?& P% e A0(BranchData(n,1),BranchData(n,2)) = 1;" B5 P- i; V3 n$ `
end ( B9 b4 }/ p4 ^
A0T = A0';
2 @8 c/ m0 V; I) {$ gS = [0;-NodeData(:,2) - i*NodeData(:,3)]; , W5 j) j6 I3 Q! f
ZL = [0;BranchData(:,3) + i*BranchData(:,4)];
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V = ones(NN,1); V4 l7 T. j0 D
V(1) = 1.00; / b0 _8 ]" ]! V2 a8 y( n
' s; Y4 r7 r5 U. KIL(NN,1) = -conj(S(NN) / V(NN));
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6 C8 c6 E# s) y" ^, }* O" tDelta = 1; 6 z. Y5 z, h* v* ^
TempV = V; 6 a$ T* I6 {* o( n( T" q! _. J# q+ S
+ B3 Q- Y3 l2 a' i
while Delta > 1e-8
; Y+ `# Q7 B7 f6 J IN = conj(S ./ V);
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# X e( A2 c3 v4 e) y for n = 1:NN-1
, k& z H5 S, {# m$ p7 ^ IL(NN-n) = A0(NN-n,NN-n+1:end) * IL(NN-n+1:end) - IN(NN-n);% 电流回代过程
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' N1 b+ J" j5 C1 a, }! R8 q& B for n = 2:NN
% q: D) ~5 I& O& M/ c9 | V(n) = A0T(n,1:n-1) * V(1:n-1) - ZL(n) * IL(n);% 电压前推过程0 {: |- c: V. `- h6 F" Z4 A% f* O
end # {% G" W; o% e- u! j7 K
/ _5 x( ~6 e9 f; }
Delta = max(abs(V-TempV)); 7 y/ P+ M, k9 b0 n! t& q
TempV = V; / e$ @+ w0 k. N# f5 F4 Q' _; j
end |
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