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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
& M$ T6 H: |, L' ?+ R+ I; v/ z/ F7 nDAE differential and algebraic equations, functions and Jacobians matrices. Fields) D4 o! j" z3 E5 T; F, D8 u
are as follows:
, q$ z% p2 y. K4 Yy algebraic variables y
5 H0 w" k- h; @kg variable for distributing losses among generators& K6 c" w- @! n, h
x state variables x; t0 |5 S) n9 A& [
n number of state variables n
8 P1 Q$ e i9 p& K' [# R, q7 sm number of algebraic variables m
5 Q* x% z; _. [) ?, Dnpf dynamic order during power flow nPF* T% r+ T& r9 k
f differential equations f7 S# U( C; w+ p% `* F9 \
g algebraic equations g& R* |8 \# @7 u* w5 S z
Fx Jacobian matrix of differential equations Fx = ∇xf% w1 ?; p+ W! e- {! d a" H
Fy Jacobian matrix of differential equations Fy = ∇yf
2 j- r; L3 ^' I& N- n9 pGx Jacobian matrix of algebraic equations Gx = ∇xg6 {2 ?! v1 f3 G8 a$ [8 E
Gy Jacobian matrix of algebraic equations Gy = ∇yg. d0 ~" T3 Q0 K
Gl Jacobian matrix of algebraic equations Gλ = ∇λg
1 a8 Y4 l6 t* B9 bGk Jacobian matrix of algebraic equations Gk = ∇kg
0 n$ H8 n6 H5 I* E }; QAc complete DAE Jacobian matrix
7 Y6 N/ j' ^# X: A7 N/ G0 qtn vector of DAE for time domain simulations
8 e, y) Q3 y# e j7 M8 Xt current simulation time (-1 for static analysis) |
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