|
|
发表于 2010-4-19 20:44:51
|
显示全部楼层
一部分关于雅克比矩阵的，实在不懂，希望大侠们帮帮忙……
O. f( O# I0 r! _9 L$ X' A _7 L3 ^jay = sqrt(-1);; L! ~3 d8 K# ?- ~4 w
exp_ang = exp(jay*ang);9 e+ W: `; Z6 W+ D. G: l
% Voltage rectangular coordinates
# B& x! O1 c4 E! HV_rect = V.*exp_ang;
8 |: A# l0 x& f; n" O" UCV_rect=conj(V_rect);
9 n' [. |! ^. D7 U1 t$ @, e5 _! MY_con = conj(Y);
$ t; h: V! B, b3 q; B) p+ O%vector of conjugate currents
/ \' O5 ~, Z) v( j5 W4 x' z- A0 Ji_c=Y_con*CV_rect;
' s1 a8 E3 l# `9 F4 N% complex power vector/ J" x5 F9 |8 i( N& U9 `' w" r
S=V_rect.*i_c;5 R& }- M4 d) m* l, p+ ?. J+ T+ @5 h
S=sparse(diag(S));" b7 |% v3 K# L8 _. o x5 N
Vdia=sparse(diag(V_rect));# j6 m* G5 e \. R7 g7 O' e
CVdia=conj(Vdia);1 @& \$ Q: R2 {# y
Vmag=sparse(diag(abs(V)));$ p1 `1 G Y9 W
S1=Vdia*Y_con*CVdia;) r9 j& P8 W0 ?
t1=((S+S1)/Vmag)*volt_red';
. R: R0 E! @( G, ft2=(S-S1)*ang_red';8 K g, U5 g! Y. ~: R8 L) g
J11=-ang_red*imag(t2);! _) p) I1 z+ Y
J12=ang_red*real(t1);9 }- C* X$ V5 @3 B# Z2 N. Q6 g) q
J21=volt_red*real(t2);8 T' r* u, V" q- O) O
J22=volt_red*imag(t1);! V3 V, D. ^. N% H: O7 U
if nargout > 3
+ Y- _& U( `$ b( F! S) z4 [ Jac11 = J11; clear J110 w; K; c) S. F% S) N; V
Jac12 = J12; clear J12% h- x, X8 G- |+ D# ]0 P/ Y
Jac21 = J21; clear J219 [- W5 w- }8 J5 S1 z# C
Jac22 = J22; clear J22
- o% g/ a+ Z2 s) U+ o, melse
w9 y" u, O! a5 Z( l Jac11 = [J11 J12;
7 C& J4 e, O K5 M. n. C- @ J21 J22];
% ]6 T* q5 h; z3 ] x3 f9 hend |
|
赣公网安备36040302000210号 )|网站地图
狗仔卡
显身卡
好东西啊