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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
2 ]& h7 o+ L% G; nMODEL Flash
7 ?# p7 u0 o1 Y8 j- p9 Ncomment--------------------------------------
. X! [8 N0 n5 M |( i6 x( J0 f/ r| Front of wave flashover characteristic |
7 A g& ]7 C3 L6 I| of the HV insulator. | 5 T2 k2 n$ c9 U/ J4 q% l
| Input: Voltage accross the insulator. |
) T7 K; l1 P" @! N5 M" U| Output: Close command for the TACS switch |
' E" S9 l4 `, A" X-----------------------------------endcomment 3 V" |2 g% w5 ?2 O* j0 C
INPUT UP,UN
8 t) f- k! s6 D$ N/ ?2 UOUTPUT CLOSE
2 N3 A5 H: C% \0 xDATA UINF {DFLT:650e3},UO {DFLT: 1650e3},TAU {DFLT:8.e-7},UINI {DFLT:1E5}
" a$ M5 W1 s# X3 b- J" y, g$ PVAR CLOSE, TT, U, FLASH- |4 L; G+ |6 r, Y- g6 `
N {+ ?- Q: D: F/ g$ n/ V2 N
INIT
7 b/ X. Y: P1 c! N4 n CLOSE:=0
- F# A) T2 t; }, m1 H# y% Z TT:=09 }2 O b$ T8 x/ U( W% z
FLASH:=INF
9 N& T$ {0 ~: Z0 k+ H4 QENDINIT/ q |) c7 F* W7 d* S
; J7 p" W) q' V0 s8 {EXEC/ u1 Y1 h2 ^, f$ I
U:= ABS(UP-UN)) l' s. R+ d+ M4 u$ V4 V
IF (U>UINI) THEN
0 u! _) n( w' y. y. E( w/ {$ v8 @ TT:=TT+timestep
8 _( ?5 v& v0 Q8 R FLASH:=(UINF + (UO-UINF)*(EXP(-TT/TAU)))
; ~5 q# Q7 o6 N9 k IF (U>FLASH) THEN CLOSE:=1 ENDIF
, Z/ L9 z# X. L3 }6 P/ @4 U) O0 R ENDIF
; V; N, {3 S7 ?' @$ J- p* XENDEXEC
( {; S4 c/ M' @ j$ o" EENDMODEL |
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