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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2 S* `% f* c5 e. b( O3 q
DAE differential and algebraic equations, functions and Jacobians matrices. Fields
' I% u o9 }8 y: H; q- M8 Gare as follows:
1 k/ R6 y+ j* E+ N/ D' z* fy algebraic variables y
% Q4 `% c% J* W3 t& j/ Qkg variable for distributing losses among generators
6 F6 o5 w# f2 K+ o5 Gx state variables x
( j' _, F q/ V' t# ~* w8 a* qn number of state variables n; F6 W4 @* l/ w% s6 a* X
m number of algebraic variables m5 J w u' r; E! p+ `
npf dynamic order during power flow nPF
, w. C) |' w" [f differential equations f. _/ f/ k! z" d( u
g algebraic equations g
( O$ l) p" H4 m5 MFx Jacobian matrix of differential equations Fx = ∇xf0 L$ d8 N4 `" c6 ]6 x) [- ]6 A: M! c
Fy Jacobian matrix of differential equations Fy = ∇yf
* t) `& R+ o3 E+ _8 |( V* [* f: Y1 }Gx Jacobian matrix of algebraic equations Gx = ∇xg; m9 l. i% b' J
Gy Jacobian matrix of algebraic equations Gy = ∇yg4 M% _8 F) ^% m/ y" ~0 M" x
Gl Jacobian matrix of algebraic equations Gλ = ∇λg
4 [" h, H, ^( t. AGk Jacobian matrix of algebraic equations Gk = ∇kg2 C- o6 H0 ?) f' [2 {6 ^
Ac complete DAE Jacobian matrix: p# p7 K1 ? l6 P9 u
tn vector of DAE for time domain simulations! J' R' Q; h8 u/ J% \! ^ I
t current simulation time (-1 for static analysis) |
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