TA的每日心情 | 奋斗 2019-12-6 11:44 |
|---|
签到天数: 5 天 连续签到: 1 天 [LV.2]偶尔看看I 累计签到:5 天 连续签到:1 天
|
发表于 2009-3-10 12:08:26
|
显示全部楼层
这是我写的潮流的一个函数' P3 X: ?) v0 y' S; h9 F) ^
function jacobian=jacobian(V,Y1,dij,nodeNum,PVI,balanceNode)
3 e# D9 x4 o) J- w7 l/ {3 S8 h! L, H" p6 @0 }
+ Q1 ]( M7 B$ }8 m3 rH=diag(V)*(Y1.*sin(dij))*diag(V)-diag(diag(V)*(Y1.*sin(dij))*(V));) ~" ?% h5 X( W. c5 _4 }& o& [4 e
N=(-diag(V)*(Y1.*cos(dij)))+diag((Y1.*sin(dij))*(V));
h. |2 c; L# E# gJ=diag(V)*(Y1.*cos(dij))+diag((Y1.*cos(dij))*(V))*diag(V);3 \: s; p# B) y# d
L=diag(V)*(Y1.*sin(dij))+diag((Y1.*sin(dij))*(V))*diag(V);& \" o6 a }( I
" l5 B% y+ H! K. o( ~. D3 \4 wH(balanceNode,:)=0;" M- d: ~/ x' G: V }
N(balanceNode,:)=0;
/ P8 Z+ g# m2 E, IJ(balanceNode,:)=0;* S8 z* Q, q3 ~) `
L(balanceNode,:)=0;0 N, ~! N( b8 p
H(:,balanceNode)=0;
7 y" {; m! Z+ i& L8 X* _N(:,balanceNode)=0;6 k5 t1 K! @8 O; Y1 f& f8 @; r
J(:,balanceNode)=0;' C; D" r+ ^5 K: K/ W: w
L(:,balanceNode)=0;( j _) Y. Y9 N2 ~; r6 [% |7 o
# Z$ g% n1 S8 H
& h' A; U" u% Z0 {0 NH(balanceNode,balanceNode)=100;8 i- l/ p; t$ g) r0 p1 t/ O
L(balanceNode,balanceNode)=100; l2 V" q% ?: |7 ?1 {- u% b
( ]$ Z# a5 b7 W' [+ ]/ LL(PVI,:)=0;0 r2 r Q% i |. d- s
J(:,PVI)=0;
+ a( \2 ] K' mL(:,PVI)=0;
; b) T- v& ]7 p ?N(PVI,:)=0;
: C# G, E& M, R2 r2 H
6 n+ R/ S/ T" v! X
: {; ^- r' E3 S/ a. o2 m+ NPV_Diag=sparse(PVI,PVI,100,nodeNum,nodeNum);% g, S$ a7 w9 C8 |1 p6 \! L* z
L=L+PV_Diag;" n. A" T: p; r4 L" \) e$ ]& |& _
jacobian=[H,J;N,L]; |
|