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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 T! r) G$ e/ O) T5 z, _
MODEL Flash
6 F/ q; \+ }* S, K* ncomment--------------------------------------
: Q- N5 p( k( V- ^; R9 t2 ^| Front of wave flashover characteristic |
$ m* K- t! I% s- C| of the HV insulator. | , \3 i- n/ W. @5 W, m
| Input: Voltage accross the insulator. |
u: G( u0 u2 W: H1 q| Output: Close command for the TACS switch |
0 R% Y4 n% {" s+ S: @5 ~4 j1 A-----------------------------------endcomment
/ |, j8 N6 ~( i3 D+ M; zINPUT UP,UN: x; Q& G0 M( h3 P u
OUTPUT CLOSE
+ E) o4 y5 Q- H# \1 c4 ]DATA UINF {DFLT:650e3},UO {DFLT: 1650e3},TAU {DFLT:8.e-7},UINI {DFLT:1E5}1 s! H8 W. T$ j) H
VAR CLOSE, TT, U, FLASH
+ H% \ h4 X0 y' [9 r
- N( ?: A" F* I9 j* eINIT: m* i$ a; W0 K7 [
CLOSE:=0
) x, a; o% B' l" y% z TT:=0
+ \$ U' _2 S( j! N3 y FLASH:=INF
% x. W5 C7 b: n6 c' ZENDINIT \% R7 q( d% d- E: x4 L
2 E& }+ l' D& T# e: r3 q1 Z* C" |) h
EXEC) M% z# o' d- G& T2 J/ m( A) Q
U:= ABS(UP-UN)7 Z3 M' h( r9 B* \7 ?) {- B6 |
IF (U>UINI) THEN 6 n+ p, T4 ]: g
TT:=TT+timestep
& s5 G1 O W$ c2 G1 Z6 d+ F FLASH:=(UINF + (UO-UINF)*(EXP(-TT/TAU)))+ Q( P1 C) S9 @+ Z( ?7 m# A9 \( d
IF (U>FLASH) THEN CLOSE:=1 ENDIF ; R; m/ c. n: W8 R0 f
ENDIF4 W! z- \) K8 h7 i& _+ i% p
ENDEXEC
; I+ X% F" J2 W1 f# d& D* @+ zENDMODEL |
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