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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! e5 p5 Z6 D4 k! N6 y$ j/ Q
DAE differential and algebraic equations, functions and Jacobians matrices. Fields
; D. Z/ @" F! o9 H3 w4 q) Zare as follows:6 k [0 o3 N2 k2 H+ F# u' b
y algebraic variables y
* l/ ]" \* p2 b7 ~7 k Gkg variable for distributing losses among generators4 k ~) V& X& _8 ~: t
x state variables x$ T: M+ V/ ?" D H$ z
n number of state variables n
1 S/ D# X, l+ ?m number of algebraic variables m6 {+ j* n) V. g! m; K e) S
npf dynamic order during power flow nPF
+ q7 C' e; O o ^3 p, uf differential equations f
; ?2 c5 Y, ~. S# }1 h! T& K- og algebraic equations g0 ~* Q1 a' U. n( M, o/ m
Fx Jacobian matrix of differential equations Fx = ∇xf! u# E5 V5 b, O* t* l6 T5 W
Fy Jacobian matrix of differential equations Fy = ∇yf
( {$ T- I9 w/ i7 G5 y: q5 @2 UGx Jacobian matrix of algebraic equations Gx = ∇xg
@3 \( [2 s1 _Gy Jacobian matrix of algebraic equations Gy = ∇yg: f t" K2 I- W) z) g0 X2 }3 }' _
Gl Jacobian matrix of algebraic equations Gλ = ∇λg
7 F% `( ]$ Q- F0 w6 ZGk Jacobian matrix of algebraic equations Gk = ∇kg: c- W; _$ q4 q$ ~2 z
Ac complete DAE Jacobian matrix
* E% Q) d2 i& a/ D* otn vector of DAE for time domain simulations* r* u4 [. o: t3 W& l2 {
t current simulation time (-1 for static analysis) |
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