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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- x. T. a4 m" f$ z
MODEL Flash
: [; a5 L6 z* G& x# Lcomment--------------------------------------* K/ p* W$ H; ~0 l( Q
| Front of wave flashover characteristic |+ J- q6 _! l2 D7 b7 o# X3 o A {
| of the HV insulator. | " Z5 [2 K5 `3 N# K
| Input: Voltage accross the insulator. |
" I7 L; o7 S1 F- f; A1 ~| Output: Close command for the TACS switch |
4 Y3 f) x# M/ R8 M3 O- y2 B' a-----------------------------------endcomment
) M6 r- T( L2 f3 C4 ?' rINPUT UP,UN2 Q" z& ^7 U& Q/ c: f
OUTPUT CLOSE ! y. y8 c3 _7 j* g9 ~ F
DATA UINF {DFLT:650e3},UO {DFLT: 1650e3},TAU {DFLT:8.e-7},UINI {DFLT:1E5}
! o9 y# U: ~3 h7 ?. aVAR CLOSE, TT, U, FLASH
6 Z3 \& ^* K0 j" r& Y: i5 W) g2 Z# P2 X9 E6 r6 \6 g
INIT ^% ?0 u/ `! P! P# _
CLOSE:=01 U. P e9 x! ^9 }$ Z' L) O% b. o
TT:=05 `; h6 Q7 o2 j5 B! c+ A: V# |
FLASH:=INF
9 ^# b7 g, X- L, L9 ^. ^ENDINIT2 @/ R1 }5 y0 t+ t+ ]8 `$ H
v4 K# [% V& N* M' [; D! FEXEC4 U; _5 ~3 @. e/ ^. b
U:= ABS(UP-UN)7 w& Q6 H, T, R: p! Y, a: W' c! t
IF (U>UINI) THEN
& w1 \; ` t. J, W$ r) H TT:=TT+timestep z: k, h4 `# Q. d6 K) _ D7 w
FLASH:=(UINF + (UO-UINF)*(EXP(-TT/TAU)))5 C9 y/ t# K8 k% q+ g, r; K
IF (U>FLASH) THEN CLOSE:=1 ENDIF : N. D% D& C5 n/ l; I8 F
ENDIF
$ c$ ^* v& z; f8 i- V( T3 A9 w MENDEXEC
, X7 J8 \8 s) m( e+ sENDMODEL |
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