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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
V3 k* C1 {7 ^0 |MODEL Flash3 l: U! T' N4 @3 B* V$ P
comment--------------------------------------5 o8 z# V: ^4 k$ i; L
| Front of wave flashover characteristic |7 N6 ?0 ]! l- s( K
| of the HV insulator. |
% b2 \+ h& U! C' D! |3 p9 n| Input: Voltage accross the insulator. |
/ t7 l4 P1 F9 {1 N: A3 \. K4 I$ w| Output: Close command for the TACS switch |' \2 \5 P2 v0 Z2 l
-----------------------------------endcomment
/ C( I6 z, Y7 R7 o- U5 OINPUT UP,UN
3 o4 m" k+ L `8 }! UOUTPUT CLOSE ' N: w6 \& q# y% j1 O1 ~1 ~5 D
DATA UINF {DFLT:650e3},UO {DFLT: 1650e3},TAU {DFLT:8.e-7},UINI {DFLT:1E5}! Y: `) S' z8 {3 d8 X8 q- [
VAR CLOSE, TT, U, FLASH% f* O1 P- L; @) X3 v
7 R8 \! F- ]: L! w. v6 AINIT
- D2 F {! J" ?, r# E CLOSE:=0; @% E1 Y8 S9 z7 V
TT:=0' \- Y$ i( N `8 ]8 k, d
FLASH:=INF3 p' |5 _; p2 S# ]4 u5 ^% v0 T
ENDINIT" Q( L! w: P) t8 G7 ]; ?
9 h# L" c' I8 Q; K2 M( E E
EXEC& k j- W, z" `. X& I' Y
U:= ABS(UP-UN)2 k6 K2 S* e+ ~. b5 T
IF (U>UINI) THEN
( l( |8 b. A$ J; Z TT:=TT+timestep
) r2 L8 ] i6 k8 u3 @ FLASH:=(UINF + (UO-UINF)*(EXP(-TT/TAU)))
. ~) f6 Q2 ^- }. A! C+ @ IF (U>FLASH) THEN CLOSE:=1 ENDIF : Z, [# N, Q5 D: r2 e6 b" K% p
ENDIF
+ g% y- d, l7 n% {% t: EENDEXEC
, _) [: T5 ?% x$ ]ENDMODEL |
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