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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 \% h8 w/ a; K% ~( Q8 a- |; A
& m) x- x& d0 w+ X \BranchData = []; 9 y1 @2 g% P3 c# S$ G
NodeData = [];
; }& }, g% ]9 \, `: S5 XUB = 12.66; ) }( n( \0 ~- x6 q- o1 u
SB = 10; & m/ y* i& F. v, x& V
ZB = UB^2/SB; 6 x) Q) o1 k" M! W
BranchData(:,[3,4]) = BranchData(:,[3,4]) / ZB; " C1 E" A5 O4 U. V5 U7 q
NodeData(:,[2,3]) = NodeData(:,[2,3]) / SB / 1000;
G% D) h+ C E; mBranchData(:,[1,2]) = BranchData(:,[1,2]) + 1;
3 e+ O1 ]8 Q# b7 nNN = 33;
: R" Y. t z0 x" ]' q$ f0 J4 hA0 = zeros(NN);
9 d3 V& l/ }3 ]' [' [% yfor n = 1:32
$ ]3 ~& p( I3 U* G% I) i: } A0(BranchData(n,1),BranchData(n,2)) = 1;
# `# p- w& B* Oend
, B1 @' X8 H2 l- }& a1 ^ Y- vA0T = A0'; ; d2 k" T0 z* {3 w4 T
S = [0;-NodeData(:,2) - i*NodeData(:,3)];
& A! ?# u# ^$ e0 q5 B! u6 t, jZL = [0;BranchData(:,3) + i*BranchData(:,4)]; ; Z" e6 S% F( D. z' b T
]! L' \" _+ Y7 E
V = ones(NN,1);3 }# I3 I5 V9 c: h- w5 ^) `( h( u! ~
V(1) = 1.00; 6 S- T+ G. S; T l) h2 m
5 N& J8 w8 L% b# U
IL(NN,1) = -conj(S(NN) / V(NN));
. {4 F2 I$ d7 b& Q( l- p& e' Y, p F- G! a# g, g; _1 s
Delta = 1; - W9 d! {; O+ B. _9 L6 _9 K0 g8 y. {
TempV = V;
9 Y8 i; Z9 z0 P* j1 p5 ~( j; B4 N! \7 t0 ?; k
while Delta > 1e-8- s) e; n5 b4 B! O2 u4 {6 \
IN = conj(S ./ V);
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for n = 1:NN-1
8 q% C. s! ?* ~& \/ E IL(NN-n) = A0(NN-n,NN-n+1:end) * IL(NN-n+1:end) - IN(NN-n);% 电流回代过程6 K; n1 H% `: L6 f# ~ M8 i
end
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* c* ]3 g! `& V7 ^/ n3 b for n = 2:NN
+ T& O8 a5 s; K7 x$ d' O 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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/ K" |; N9 R1 ^! Z2 j
Delta = max(abs(V-TempV)); 4 `8 c9 B+ J, Q- Y
TempV = V; 4 L& i# [; W% p) v: Q
end |
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