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发表于 2010-5-14 11:32:04
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DAE是一个matlab的结构,含义如下% F# H2 H0 o+ k$ }3 W4 i
DAE differential and algebraic equations, functions and Jacobians matrices. Fields
2 Z2 C+ q) q! Y! R5 A; H( D! }are as follows:4 e; x. e7 M8 E: L) |. p+ s! A
y algebraic variables y6 y' e L; d- R6 @4 [* G6 H/ N0 I
kg variable for distributing losses among generators
" s2 ?2 l5 |' Fx state variables x
! a$ H2 l0 J; \7 x% X2 n+ X! Kn number of state variables n% u; _. D+ w: `5 V
m number of algebraic variables m
# H0 p# x ^* d! U- o. [' Bnpf dynamic order during power flow nPF
8 Y# L6 i a& Z- i& f& If differential equations f
1 K& V [: Q: i/ Q" S! J( V4 mg algebraic equations g
; ~: Z4 B8 W3 a5 XFx Jacobian matrix of differential equations Fx = ∇xf
7 n) C2 c) `+ w* a0 \6 R: O. I2 mFy Jacobian matrix of differential equations Fy = ∇yf3 z2 h: b) Q7 H, y3 ]
Gx Jacobian matrix of algebraic equations Gx = ∇xg
: X9 M4 ^7 }. r- e9 X v9 SGy Jacobian matrix of algebraic equations Gy = ∇yg6 O+ F$ W! K9 S+ x
Gl Jacobian matrix of algebraic equations Gλ = ∇λg
) Y: o4 S L) X0 TGk Jacobian matrix of algebraic equations Gk = ∇kg. }2 O3 L; ]; y. O8 `2 d/ j6 D
Ac complete DAE Jacobian matrix1 R% t) I* ~: P1 {$ q
tn vector of DAE for time domain simulations8 _& x+ O$ S+ F
t current simulation time (-1 for static analysis) |
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