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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 = [];
4 @. N6 H1 e1 s, U9 j# |NodeData = [];
& m4 J! _% g3 }4 G/ H1 RUB = 12.66; * ?# `2 M% @$ L5 B" l
SB = 10;
: ~4 x. [9 Z- h- F+ H1 s8 T- PZB = UB^2/SB;
* _ A R0 |8 P3 h: LBranchData(:,[3,4]) = BranchData(:,[3,4]) / ZB;
4 \4 ?* _2 [9 B6 T# O9 b+ \9 g5 P3 V9 G% VNodeData(:,[2,3]) = NodeData(:,[2,3]) / SB / 1000;$ ~, u { D7 W6 o" ~
BranchData(:,[1,2]) = BranchData(:,[1,2]) + 1; / {$ _- O9 p g$ L e2 G
NN = 33;
+ |: b/ k0 \0 y* kA0 = zeros(NN);
9 l( L+ \2 f2 T4 @3 dfor n = 1:320 W1 u1 [3 Y( |) s
A0(BranchData(n,1),BranchData(n,2)) = 1;# c" S8 Z+ ~+ Q8 W4 B. @$ b: v
end 5 H F* }0 k8 u
A0T = A0'; % O0 [- t. `) e+ H1 T1 o
S = [0;-NodeData(:,2) - i*NodeData(:,3)];
4 v5 H! s; O: {% [7 s0 E L6 jZL = [0;BranchData(:,3) + i*BranchData(:,4)]; * h8 g" \) ?1 F5 w7 x7 j1 B
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V = ones(NN,1);9 Z3 @ q2 e# t% w' ]/ X
V(1) = 1.00; 9 Z, B8 X. u2 B6 ~, D1 C# g
% X' d( l* `8 M3 S
IL(NN,1) = -conj(S(NN) / V(NN));
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( k0 Q2 f7 {+ r( _/ E" P( uDelta = 1; 4 W1 X8 K3 V0 L
TempV = V; 1 Y: G% L6 t& j
) J- x" k4 I, S/ j3 t- wwhile Delta > 1e-8
4 w/ ^6 a, \! p5 n: E, b) D8 m. d5 P IN = conj(S ./ V); 2 }/ m( I' E# V1 P; B, D
- Z2 }$ Z" q- S for n = 1:NN-1' d5 O4 e8 y1 z. O# t7 |) X% F8 \
IL(NN-n) = A0(NN-n,NN-n+1:end) * IL(NN-n+1:end) - IN(NN-n);% 电流回代过程. E+ |0 d U* d4 @' ~7 J% f5 T
end
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for n = 2:NN
. x: n/ y( T! F! { V(n) = A0T(n,1:n-1) * V(1:n-1) - ZL(n) * IL(n);% 电压前推过程' X" @. \7 b2 r& h [$ }
end 8 j8 T" L- S/ V) e+ n8 z, k
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Delta = max(abs(V-TempV)); 4 k; Q0 s6 J' K' i/ n
TempV = V; , n* q/ c0 _' s
end |
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