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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 ' d1 F* w" _, A M
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BranchData = []; 2 D8 X" c G& t; s
NodeData = [];
* C; c1 r( \) |% W, @4 m w8 j3 D" ]UB = 12.66;
6 A8 n) y$ I6 @SB = 10;
2 c' y# p8 H' E. g6 M( tZB = UB^2/SB; - F6 k' y! ~5 ?% ?
BranchData(:,[3,4]) = BranchData(:,[3,4]) / ZB;
( d2 T, _1 _4 G! eNodeData(:,[2,3]) = NodeData(:,[2,3]) / SB / 1000;
) q' U- [, ^) l5 u5 ~6 B! G' Y( vBranchData(:,[1,2]) = BranchData(:,[1,2]) + 1;
8 L6 B% S! X e$ s5 x8 _NN = 33; ! R) X: Q O+ o; Q) P( F& C
A0 = zeros(NN);
, l* R* @& ^0 u! Q8 e1 xfor n = 1:32& a! J; b( ]8 l
A0(BranchData(n,1),BranchData(n,2)) = 1;/ t7 h5 a/ }1 L6 n; N) @. N! }
end ; M1 [7 }" m+ z: D* R
A0T = A0'; + I9 P+ f1 U9 I2 v$ ~, Q
S = [0;-NodeData(:,2) - i*NodeData(:,3)];
( b t0 k( T" p: U$ }ZL = [0;BranchData(:,3) + i*BranchData(:,4)]; 1 _, g# s7 p5 x
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V = ones(NN,1);
, H# M9 i& J3 L. b" tV(1) = 1.00; - o+ i5 u5 k5 T0 u" Q( F
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IL(NN,1) = -conj(S(NN) / V(NN));
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. }6 m8 S" D. m& z5 y; S7 ]Delta = 1; t! O; e }' R+ }
TempV = V;
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while Delta > 1e-88 D. u9 ?% T/ ]8 X3 i9 P& ~6 U* l# B
IN = conj(S ./ V); ' B f) h7 H7 ~5 n" b
; r: X& M5 M% U for n = 1:NN-17 ^6 M! c# B. L6 ?0 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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for n = 2:NN m; I; m! h7 a9 V* v+ J8 f& M
V(n) = A0T(n,1:n-1) * V(1:n-1) - ZL(n) * IL(n);% 电压前推过程
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9 ]! V1 e/ L1 ] w$ ~2 ^" _0 L W Delta = max(abs(V-TempV)); ! i) T. w \: {5 q/ ~5 l9 f* _
TempV = V; 0 X2 [! R& t4 Y+ H% C3 V3 D
end |
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