采用自编译的4回线路模型经行过电压计算,运算时弹出如下错误: ?5 K4 S% Y7 ? P) B! M/ X1 {8 e
请问是ATP不支持4回运算,还是自身模型的问题?9 B. Q. }, a# R9 p& `) l, A
KILL code number Overlay number Nearby statement number; F5 A* Z6 t# p. ^! H; @
1 13 81092 W" o7 R# ~+ i0 ]+ u
KILL = 1. Storage exceeded for EMTP List Number 8. See the dimensioned limit in the case-summary statistics below. The problem5 P) l9 V b5 ^) W' I" W; b
is simply too big for the program as currently dimensioned. Yet, do not forget dynamic dimensioning as described in the Oct., 1993, j6 R& M; Q9 E5 N) j7 n
newsletter. In this case, edit LISTSIZE.DAT to increase table sizes, and then try again. Of course, such dynamic expansion is . k0 W! G! P$ v) U, X1 Jpossible only within limits fixed by LISTSIZE.BPA (used by variable-dimensioning program "VARDIM" as ATP is to be linked).* l. A# R! q @8 B$ V- B
Sometimes the reason for EMTP table overflow is unclear, and Program Maintenance might wish to inspect the contents of the error $ z' F, v& r# {! S& Jinterface vectors LSTAT and FLSTAT. These now follow. First comes LSTAT, using (12I10) encoding; then comes FLSTAT,2 {$ h- g/ T8 E
using (8E15.6) encoding: ) E8 i* T9 K h4 X$ cLSTAT = 1426 6417 7130 652 2139 17825 24955 4278 -9999 -9999 10 4! e; f( Z9 j4 V3 Y8 |* }
LSTAT = 133 0 46 8 134 0 8109 -9999 36 42 133 5 $ ?% }; T( d" ]' y# o# Q, mFLSTAT = 4.680030E-02 4.680030E-02 1.248008E-01 1.248008E-01 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0 Y% m4 C! m# E9 q3 SFLSTAT = 0.000000E+00 0.000000E+00 0.000000E+00 5.000000E+01 6.000000E+01 0.000000E+00 0.000000E+00 0.000000E+007 _! w& U/ r" ~' Z
FLSTAT = 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00. c7 d& k( L3 y" F
Yet maybe the user would like some suggestions as to why the table in question (List Number 8 ) has overflowed. If such further& s- g! p# V) `
information is available, it will now follow immediately .... * A- e/ n# B3 I4 ZList 8 stores past history points for distributed-parameter transmission circuits (lines or cables) in modal form. Each1 R m! s% E9 b- E# t8 |
propagation mode requires storage, and there are as many modes as there are coupled conductors or phases (e.g., a double-circuit - L( W9 [/ p/ K& V. K8 Aline will normally have 6 modes). Each mode requires TAU / DELTAT entries, where TAU is the modal travel time of the line, - P% U% S6 v# ]% C! Y. `9 @0 DDELTAT is the time-step size, and the division involves integer truncation followed by the addition of unity.3 a+ D. ~7 ]8 o, W6 `7 [
In order to effectively trade memory space among the different EMTP tables (EMTP List Sizes), the user must know how many arrays & t; _9 ~* P8 ?5 P8 m! C: t. v' g(columns) there are in each table. The following tabulation shows the effective multiplicities that are associated with each( W+ R1 H8 @% p! c# m; y
independent EMTP List Size (those lists whose lengths are under user control by means of the EMTP variable-dimensioning program0 X$ Z) ^. N3 y2 ^& |$ x
"VARDIM").