ATP对二次电弧建模时 ) @- j3 ^* v7 V- \" {1 u . U: C7 J0 h9 Q" Q% h二次电弧模块的程序如下4 }" q5 s* m& L _
MODEL arc2! ?3 i- F% C- ^; v5 F, C
INPUT U,I; L2 I5 G" R/ `8 S2 E% e2 L \
DATA L0,IS, 2 U8 e# n3 M% d# `VAR GS,TS,US,LS,GS1,TE,TR,trip,R2,UR,H 1 M+ R& n5 a. q, P) ~OUTPUT trip,R2" Y0 x3 R9 m/ j+ Q
INIT# k" T% q9 f* b& I
TR:=0 1 [. O/ j+ D8 ^- a; J7 Y: l TE:=0 5 o6 ^1 p" x) F7 C trip:=1 # E y- [4 n& Q/ kENDINIT $ P, r: J8 U3 f. X) K m$ Y EXEC 7 F/ [3 l" v) S4 b, H: n TR:=TR+timestep : Y& U- a; F2 m: L9 ?* e) c3 p0 H
IF TR<=0.1 THEN* Q" f/ x4 K8 w. l# s+ r" {
LS:=L0 * W, B3 ^% \' Q1 L ELSE 6 |! j1 \3 z* ^( ~ LS:=10*TR*L0( [ s! u) U: C+ g; _' G
ENDIF / C. X+ b# c9 i6 Q* e/ A9 h
US:=75*IS**(-0.4)( Y A! O3 I7 s1 g
GS:=ABS(I)/(US*LS); v" v5 X( [. i( H
TS:=2.57E-3*(IS**1.4)/LS. v- h6 H: n7 r, P( K
GS1:=GS*(1-EXP(-1*TR/TS)) / |7 h* g7 H& r8 ~# P5 r. c R2:=1/GS14 k6 q" i5 P0 d' g
IF ABS(I)<0.01 THEN( l6 G% j. `; g. M- J
TE:=TR 8 ]4 z. {7 e: V$ K5 r ENDIF " e& [! G4 K5 t( l' T0 Q. v IF TR-TE>=0 THEN5 Y4 a1 x8 v8 R: U6 B. p; d
H:=1 ( z( F0 E. N% j$ B ELSE - c2 I) j$ z$ q9 Z- ~/ W9 Q H:=0: K) o) S4 q% _" [7 l3 D2 S W
ENDIF* l7 s6 }% L3 e. o
UR:=[5+1620*TE/(2.15+IS)]*(TR-TE)*H*LS*1E3 * c: M. ?" Y( |. U" U6 N IF U<UR THEN " S4 P/ A! d# I, I; Z. E. ] trip:=1! W0 g5 C: n% g
ENDIF 8 o8 b7 A4 N& t, U( a X: I2 k ENDEXEC" W% _2 x5 j' y5 k" t* x0 w4 v
ENDMODEL5 u' Z& X& ~7 h9 L V% M0 d
; \) g+ `9 P: c& u但在运行时出现如下错误:! p$ F9 ^( c$ \/ y3 `
Execution of the program is interrupted in the MODELS section of the data case.; ^0 W4 B2 I# w! R k# A8 V
The model in use is identified by the following use pathname:# H9 N _. z, X% w8 D! a2 D' E
MODELS.ARC2 7 z6 k$ b$ `8 V# P! [KILL = 682. Attempted explicit division by a zero-valued factor within an expression. " s9 Q u1 f) R divisor value = 0.00000000E+00 5 [5 w$ A. y9 [/ c4 k * d. E$ F/ d3 }- J7 S请各位大侠帮我i改改,本人急用 3 a( U% I" O: O6 a' z# P) n0 C8 {% Q% |4 L
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