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发表于 2015-7-5 10:33:12
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一个FLASH例子,已通过3 s& l6 d- ]3 z# _
MODEL Flash
% J1 D; l0 R" h+ q8 acomment--------------------------------------
% l0 B# U4 b3 j5 E C* i1 R| Front of wave flashover characteristic |; N$ l' o% }: P$ h& p1 T1 S" L) [
| of the HV insulator. |
/ |3 c2 ?& G+ m" Q| Input: Voltage accross the insulator. |
3 _3 E$ M$ y! W' H0 k0 Z b| Output: Close command for the TACS switch |0 y5 T" a9 O% K- Z$ w6 u9 q6 e
-----------------------------------endcomment
6 i9 J1 d5 z+ TINPUT UP,UN
1 t8 \3 q- H& U6 P8 n+ o8 P! O" ZOUTPUT CLOSE 8 ~- r. q9 b0 b7 [. S) J6 L
DATA UINF {DFLT:650e3},UO {DFLT: 1650e3},TAU {DFLT:8.e-7},UINI {DFLT:1E5}
/ o* x g& ] m3 fVAR CLOSE, TT, U, FLASH
1 ]" D3 x. Y! }- }, t" a& c- L3 [3 G+ ~! h
INIT4 \4 _" l1 B1 q$ ?
CLOSE:=0( M" ^( R; d! A! q
TT:=0
3 ~4 ^& S8 [3 l4 k$ q FLASH:=INF
* x$ D. @2 f1 D* dENDINIT/ S Z" C, [6 p, W& m) ]( c
- e7 g" B) ]% {. n5 l$ m5 g$ I aEXEC
. i2 ~2 X, u4 k. y X U:= ABS(UP-UN)
2 x# ]4 @% @5 L" v! q- a( Q) M IF (U>UINI) THEN * W+ j0 p6 V3 Z/ A, @3 | X+ ~% g
TT:=TT+timestep : C) V) l. ^( K* H4 K8 Z' y
FLASH:=(UINF + (UO-UINF)*(EXP(-TT/TAU)))
' `$ }0 T8 O! Y/ a& {$ c2 w6 u IF (U>FLASH) THEN CLOSE:=1 ENDIF
) h: ~5 w |! r% E/ v ENDIF
6 H* _. `& w& q) v9 IENDEXEC
" Q1 ]2 q7 t) G' K0 R) QENDMODEL |
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