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ATP对二次电弧建模时4 L9 d2 y% n+ ^1 p
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二次电弧模块的程序如下
0 f/ K3 }9 O7 n6 K) xMODEL arc29 w. l0 j. r) S8 @- B+ G, Y
INPUT U,I
2 X/ Z$ E; c3 }# eDATA L0,IS,
4 t" Q. k6 x% w$ [; ~( rVAR GS,TS,US,LS,GS1,TE,TR,trip,R2,UR,H
' t/ R/ m( L( z& eOUTPUT trip,R2
# n9 L* a3 t# G9 L& P) z( Q, Y. nINIT
. Z7 Y; a, O' t8 h( A TR:=0
' o( `/ E! u1 G TE:=0
5 ~# ^' q- q% a& c* t0 t trip:=1
5 \: N3 m8 ~* X2 nENDINIT. s- U+ m, l, Z5 s4 X& |* K
EXEC
2 A5 h) S/ E+ @ TR:=TR+timestep # v6 c$ S3 y/ H) S) F p
IF TR<=0.1 THEN: N0 }# ]; b4 m8 _ }# V$ G
LS:=L0+ N% g2 H% ^# W
ELSE8 a( |" r1 I8 @3 m4 C
LS:=10*TR*L0
6 a* s( I+ @, _9 M- Q P ENDIF - N( k) T( X* a) G. j" q" [
US:=75*IS**(-0.4): V) \! \, s$ E H5 D7 N
GS:=ABS(I)/(US*LS)
' L4 I: |6 D I K TS:=2.57E-3*(IS**1.4)/LS
( _+ _5 _; B6 p* u5 ] GS1:=GS*(1-EXP(-1*TR/TS))! e2 p$ {7 Q7 Z
R2:=1/GS1
6 G9 c" v! @3 Q; u+ ?7 h: B IF ABS(I)<0.01 THEN0 g6 |. K. _2 u0 G) K3 [
TE:=TR
& _1 c# u# g' R) v% [% |' x1 ]" H ENDIF
& a' \. _; G2 L# R% K IF TR-TE>=0 THEN
3 q9 x) x" E/ |% S* H H:=1- t" {0 l ?5 ]$ n
ELSE
+ g! J. @- w W- i8 Q% ^ H:=04 l! G( o3 t0 A3 J0 \* N: f
ENDIF
+ _. P& D4 d- f3 \; _ UR:=[5+1620*TE/(2.15+IS)]*(TR-TE)*H*LS*1E3% G' e! R) G5 |, g% ?* x
IF U<UR THEN 2 x/ T! E r. j) P: m; M7 ^
trip:=13 k+ q) f! T" E, E5 }
ENDIF ! j8 F, I" t. {" d8 Z# q# d8 C
ENDEXEC: s) i2 t) a% P: ]
ENDMODEL
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但在运行时出现如下错误:
5 q# _3 \; P# a& BExecution of the program is interrupted in the MODELS section of the data case.8 L3 t: w& z0 H7 U* x* [( \& M" q
The model in use is identified by the following use pathname:! F( L% ^" r- V6 N4 G
MODELS.ARC2
4 r! h1 n W% P$ ] e. J1 K) FKILL = 682. Attempted explicit division by a zero-valued factor within an expression.
0 N: j! g: G# x4 n, D divisor value = 0.00000000E+00
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6 Q2 B( ^' q) X7 n请各位大侠帮我i改改,本人急用
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