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用MODELS计算线路感应电压:程序如下:
2 U! F# ~2 V' @0 Q# {MODEL indloss2 H( O8 [2 \9 S% k; t T M% Z
CONST - g$ E5 a' K- X1 C
Tmax {VAL:500} 8 ~ B I( F( k+ ~7 o( z
n {VAL:2}# s5 W" J, h. ^7 i U
c {VAL:3.e8} & O3 z9 k1 X* J% m
I0 {VAL:1} ; `' `* {$ ]0 n' l: {
eps0 {val:8.85e-12}/ Y8 N% h. {8 D* y( @8 N9 V
INPUT UAP[0...n],UBP[0...n]
- U( v: Z8 ^; `7 Q5 IDATA Y,XA,XB
; M# d/ ^9 P6 X% Dz[1...n] {DFLT:10} . V8 W! L8 s9 }- K7 ^
Im {DFLT:3e4} t! ?" T- N" {$ I2 M5 j' v
tc {DFLT:5e-5} $ H# d' g2 A9 G( [& V
th {DFLT:2e-6}
3 l1 p0 x- s0 A3 s' d4 vv {DFLT:1.5e8} 4 S( S6 D* r# q3 n2 O3 m( N
sigma {DFLT:0.001} , f$ S2 q2 ]- A- e( T
epsr {DFLT:10} 2 a1 z7 x% y( w
OUTPUT UrA[0...n],UrB[0...n]+ ? u5 c1 W2 ]7 Z* u
VAR UindA0[0...Tmax],UindB0[0...Tmax],g1[0...Tmax],g2[0...Tmax],
- r4 [% M2 r) S9 `UindAD[0...Tmax],UindBD[0...Tmax],Ui0,UiD,! J5 y7 e* e+ g8 f) L$ m5 M
UrA[0...n],UrB[0...n],Tr,k,i,AB,dt,uk[1..4],
5 |* C1 x$ \% N8 v9 g1 B$ g Gb,L,x,tau,a1,b1,c1,c2,c3
7 P9 O& ]0 @( W" s: d ZFUNCTION F0(x,tr):= (c*tr-x)/(y*y+(b*(c*tr-x))**2)3 F. K; {' i) k) _2 b6 w0 V
FUNCTION F1(x,tr):= (x+b*b*(c*tr-x))/sqrt((v*tr)**2+(1-b*b)*(x*x+y*y))
" m7 Z# k: k; T5 t- p7 BFUNCTION F2(x,tr):= x+b*b*(c*tr-x)+sqrt((v*tr)**2+(1-b*b)*(x*x+y*y))& V4 F9 s3 O0 q% u
FUNCTION F3(x,tr):= (v*tr+sqrt((v*tr)**2+(1-b*b)*(x*x+y*y)))/sqrt(x*x+y*y)4 m/ {- c0 s# Q7 {$ j" ]
FUNCTION t0(x):= sqrt(x*x+y*y)/c
5 Q. I2 m0 V( S, `HISTORY& r( _$ M5 p$ O- G" \
UrA[1...n] {dflt:0}
! m9 I& Z1 L) m" D+ R6 @UrB[1...n] {dflt:0}' Q+ B8 Z2 g! e
UAP[1...n] {dflt:0}
4 \- }7 V2 z! @" E: xUBP[1...n] {dflt:0}' r5 y8 M$ l5 b+ E2 ]- P
DELAY CELLS DFLT: (XA-XB)/(c*timestep)+1
+ y3 T# O3 d; YINIT0 O: F% A" i* k1 K$ P5 I8 |
k:=sqrt(eps0*epsr/(PI*sigma*dt))3 V* `" M% k" m' h: e9 d8 w0 m5 s
dt:= timestep b:=v/c L:=XA-XB tau:=L/c
# v: t- ?6 I1 R1 A2 @" ^, H$ h3 aa1:=Im/(I0*th)0 G( Z- K0 F& |: I
b1:=0.5*th/(tc-th)+1
( ^5 T" F" r1 j' ]! Nc1:=a1*k*dt/sqrt(epsr)% P% R# Y+ w: y) V
c2:=-1.073*k+0.2153*(k**3)+4/3' R3 K! e; X/ q5 O5 d* x. f( n4 a9 _; c
c3:=-0.2153*(k**3)+1/6. O2 z+ Q2 h3 x4 n' _
FOR AB:=1 TO 2 DO
( Q9 k; Y( P, h! Eif AB=1 then5 T7 T8 g& I$ \4 _
x:=XA else x:=-XB: \3 Q7 q( M2 f. ~8 T
endif
+ w2 y# |( Q7 G* @* iFOR i:=0 TO Tmax DO( T% N' G6 F1 E2 o) [& e# X
Tr:=i*dt
( v- V3 z" @, R5 D+ q5 t) [3 iif Tr>t0(x); M$ X: z+ |( V' X) o, {9 P# Z$ n
then; L2 h* z. \+ g* x1 K5 [; w" d
if Tr>t0(x-L)+tau
2 u/ @; b$ S+ ^; Xthen
3 q+ k& K4 h- [' e) }# G# LUi0:=f0(x,Tr)*(f1(x,Tr)-f1(x-L,Tr-tau)): \5 f b# O6 i$ _( y$ S4 \+ M" {, g
UiD:=ln( f2(x,Tr)/f2(x-L,Tr-tau) )-1/b*ln( f3(x,Tr)/f3(x-L,Tr-tau) )- v, N' ]4 t; y7 d4 y% v
else
& R9 R# g: K1 S: m7 u$ I& iUi0:=f0(x,Tr)*(f1(x,Tr)+1)3 E6 {& {5 ^) t6 T4 Q
UiD:=ln( f2(x,Tr)*f0(x,Tr) )-1/b*ln( f3(x,Tr)/(1+b) )+ P- O- G. h; M' d# P
endif: i M& R* {6 A" j
else! k1 Q2 K$ `+ N3 W/ F) D$ I' U
Ui0:=0, UiD:=0
# Z5 `. ^) u( ]0 r3 C, `- G. f0 ~endif
6 n4 i' @5 m7 q4 r- W! Xif AB=1 then
, S4 L2 x7 b+ |; P; |( }' RUindA0[i]:=Ui0
' S! q9 E1 O6 C6 l0 W; PUindAD[i]:=UiD
. S) p7 q1 G' l- S9 U. ~g1[i]:=a1*dt
) W* T$ w7 K: jif i>0- }5 }' D; l) N' |- b3 e" n4 ?
then
. \) M0 b, x7 n$ F3 r! F, L. Kg2[i]:=a1*sqrt(eps0/(PI*sigma*Tr))*dt
- F' y3 R" \2 j) fendif# S0 p9 M- f6 {5 M: O( b( A$ R
else6 X: @. X0 |5 y
UindB0[i]:=Ui0
$ ]( Q" Q) h7 Q( O; ?* J- sUindBD[i]:=UiD
R4 |6 y/ Y, s% v7 \8 [3 }endif
0 g6 k& M% g8 E/ c) a+ ]ENDFOR
6 `. Z9 o. i* `7 [" Q5 `0 OENDFOR
M& W8 B+ b& f: j2 w1 Y8 n0 Xi:=Tmax& t& E# C2 U+ B9 G, O( O
WHILE i>1 DO- j( p- m! c, G" r
uk[1...4]:=0$ i4 w8 j( w0 P
FOR Tr:=1 TO i-1 DO8 ]! B& E. k, F% t$ J& N
uk[1]:=uk[1]+UindA0[Tr]*g1[i-Tr]% a8 |. c, |5 }+ N* O# |, U
uk[2]:=uk[2]+UindB0[Tr]*g1[i-Tr]
/ E8 w+ s& c- c! Q& O0 t0 t
# w' C8 [* _& P$ l# N$ a. M: L3 wuk[3]:=uk[3]+UindAD[Tr]*g2[i-Tr]
8 I8 b9 h1 l6 O0 G3 o2 p+ u
, b$ U+ W3 M- y2 Z- u0 ], I6 quk[4]:=uk[4]+UindBD[Tr]*g2[i-Tr]
7 ?) H. t ?- g/ _- z$ d$ U
" \4 I7 w/ ?. Q. K" tENDFOR( W0 u) U/ k5 z. X/ j1 n. l
UindA0[i]:=uk[1]+0.5*UindA0[i]*g1[0]
- q. v ~+ e" v/ r2 xUindB0[i]:=uk[2]+0.5*UindB0[i]*g1[0]! g5 j2 n& b3 Z6 q, x/ m
UindAD[i]:=uk[3]+(UindAD[i]*c2+UindAD[i-1]*c3)*c1# U1 R3 M0 r$ q, s* Q
UindBD[i]:=uk[4]+(UindBD[i]*c2+UindBD[i-1]*c3)*c1/ V$ k& a4 C6 L
i:=i-16 s$ P4 I3 t; V0 g) ?
ENDWHILE
, u% F- T- b$ c7 B" `4 rTr:=trunc(th/dt)
! g: ]" _3 H6 b5 F3 l( `1 g7 f
FOR i:=Tmax TO Tr BY -1 DO
& H- w1 ^8 c! U5 s6 \! tUindA0[i]:=UindA0[i]-b1*UindA0[i-Tr]; ?! H# r9 ]# |1 R- K% N. `
UindB0[i]:=UindB0[i]-b1*UindB0[i-Tr]
' @$ K4 Q) m1 a2 y3 K+ t8 J: MUindAD[i]:=UindAD[i]-b1*UindAD[i-Tr]
u8 V+ G( y& V {: bUindBD[i]:=UindBD[i]-b1*UindBD[i-Tr]. n, O3 @/ e# y6 y. l; R
endif5 K! A- r% X0 x
ENDFOR
+ Y+ B, T# C( z; ^, v( D2 W) GENDINIT
2 q* z3 e+ t+ K5 ^/ r; K1 u: dEXEC J$ q* @% G5 t
FOR i:=1 to n DO+ s3 V, S, l& k: n
UrA[i]:=60*I0*b*(z[i]*UindA0[t/dt] - UindAD[t/dt]) +2*delay(UBP[i],tau-dt,1)-delay(UrB[i],tau,1)7 t2 J: v3 {' p+ U6 z& A# H6 {& p
UrB[i]:=60*I0*b*(z[i]*UindB0[t/dt] - UindBD[t/dt]) +2*delay(UAP[i],tau-dt,1)-delay(UrA[i],tau,1)
2 ?2 d" ?5 g1 w1 F9 o' jENDFOR. h1 b! X& K& Z8 ~3 i" |5 B
ENDEXEC
% O. n3 M1 J) Q2 c9 j, gENDMODEL
O( {7 T0 S( R6 w. |7 t
; r3 S* W' u/ `7 r4 S W程序报错如下& f+ e% I; I4 ?# U+ m0 y6 C2 K
KILL = 422. The present statement is interpreted as a value assignment statement, and the preceding name is interpreted as a
! ^+ C4 a3 k. O+ e* uvariable to which a value is being assigned. The identification of this variable is interpreted as complete, and should now be: |! S1 i, Q3 n& x7 C7 X
followed by ":=", in the following format:( }% W T6 v% O
variable_identification := expression# ]9 Q2 a/ y6 H2 V' \( {
0 g9 W/ i& p3 B; T2 s' ^
本人已经仔细检查了每个等式都加:=了,不知道为什么还是不行,有兴趣的可以仿真一下,大家交流交流。% N! i9 k, S! F2 Z' f. U
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