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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 9 i, d' B9 L( r* F* x
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BranchData = []; ( X/ f$ x6 K s, l2 l
NodeData = []; - `; d; W$ j' ^) M
UB = 12.66;
- S# @% q0 v. P! M/ }: n/ h5 ~& eSB = 10;
9 ?- J, o1 ], K O8 q- O" u# ]ZB = UB^2/SB; % P, b4 L5 `( b$ E' R
BranchData(:,[3,4]) = BranchData(:,[3,4]) / ZB;
6 c! i1 C1 q- T V3 SNodeData(:,[2,3]) = NodeData(:,[2,3]) / SB / 1000;! e. F, A5 d7 x4 D6 n0 N( T, Q
BranchData(:,[1,2]) = BranchData(:,[1,2]) + 1; , D* G9 [( V' P
NN = 33;
4 n# @) F! f: H7 W' ]A0 = zeros(NN);
: s4 p$ w) B: L! I$ A4 zfor n = 1:32
1 S' P$ @, T% F+ @ A0(BranchData(n,1),BranchData(n,2)) = 1;& ~6 q. v+ @4 ?
end ! D+ a; {, H" f5 @# l
A0T = A0';
( V& V( F6 v) p; }/ SS = [0;-NodeData(:,2) - i*NodeData(:,3)];
( t' c- I: ]! d' `+ {& K; {ZL = [0;BranchData(:,3) + i*BranchData(:,4)];
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V = ones(NN,1);0 K) J" u1 i9 T
V(1) = 1.00;
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IL(NN,1) = -conj(S(NN) / V(NN));
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! S* B: i3 S4 F- G. o5 e8 {' PDelta = 1; 5 t8 d2 t( o Z2 `. q/ y6 T' t2 s: B6 G
TempV = V;
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while Delta > 1e-8
1 n, _5 D* t& ?& C IN = conj(S ./ V); : e2 H/ v1 F- r" m
; E2 b9 E; e) T% H for n = 1:NN-1
/ u( Y( C3 I1 }! [# W/ E! L 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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1 c; @" X: q" Z+ x& |1 A for n = 2:NN" c# X. V' Q) {/ {" K
V(n) = A0T(n,1:n-1) * V(1:n-1) - ZL(n) * IL(n);% 电压前推过程7 l( V& j# @: y' a* e8 [ f
end 9 a8 x% b+ U8 L7 ]8 R- j6 {
* l* w/ O7 | t Delta = max(abs(V-TempV)); . M' s( R( R( L U0 H% }$ |
TempV = V;
% {4 B! |8 i. kend |
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