. ^7 L. i* D0 D& q/ h" y/ a: X仿真出现错误提示为: 5 e$ b( S9 m0 ?0 Q1 B6 dYou lose, fella. The EMTP logic has detected an error condition, and is now going to terminate program execution. The following - h- R" [6 x# y; qmessage summarizes the circumstances leading to this situation. Where an otherwise-unidentified data card is referred to, or where 7 `$ t" E3 a4 H O$ c* |6 Othe "last" card is mentioned, it is the most recently read card of the input data that is meant. The 80-column image of this card & B& ~! V8 H$ n5 Nis generally the last one printed out prior to this termination message. But possibly this last-read card has not yet been . s% I7 F! S# i+ ]! `) |: tdisplayed, so a copy follows: " ] m* S, }7 v " " 3 \* r4 }( S8 a/ [+ B I. _0 R KILL code number Overlay number Nearby statement number + f6 z& }7 n; d) Q" K2 M 212 18 35221 b5 B+ ^, F: X% T* j2 O
KILL = 212. A Newton solution for 3 coupled nonlinear elements has failed to converge within the iteration limit MAXZNO = 50. % z. K# K0 Z7 Z( s4 c9 T+ [The current residual is 5.15845719E+01, which exceeds the sloppy convergence tolerance EPSTOP = 1.00000000E-01. The first of * t$ U, ?' m2 Q: Cthe coupled, true, nonlinear elements (in order of data input) is located in row 1 of the nonlinear element table, and it9 q9 ~* y) A5 ? B( E. ?' J. F
connects node "XX0026" with node "VTB ". The final coupled element is in row 3, and the matrix rank is 3. Finally, the/ R3 O3 K7 M: S
simulation time is T = 2.70500000E-06. Possible corrective actions include a decrease in the time-step size DELTAT, an increase ) e7 L! n1 Q' m5 {in the iteration limit MAXZNO, an increase in the divergence tolerance EPSTOP, and artificial splitting of the subnetwork in" g N* @# n; k8 v6 T$ X
question by distributed-parameter lines (to reduce the number of coupled elements). In addition, it is possible for the user to! V1 X1 m* P# G' }! Z
make a solution impossible by unrealistically limiting the Newton corrections. The user should remember that there can be no # A' _5 G; g- \0 C" i( Msolution if his bound on arrester voltage is less than the true solution voltage. The bound has a default value of 1.5 per unit,3 u) C- `1 n* v' A: ` o+ w' F# t
although it can be changed by a"ZINC OXIDE" special request (columns 57-64, variable ZLIN(2)). 2 }# L9 Z* |" n3 Q- X9 Y------------------------------------------------------------------------------------------------------------------------------------! G/ l e) u' a+ N& w; F
ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/9 f* x9 z6 N) F; Y& {1 j
ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ 2 l# O2 a6 ^" {! d3 q @' L------------------------------------------------------------------------------------------------------------------------------------ / K) L% [1 ^/ y. D+ L ) {; ]" W' B0 g9 b; V: iActual List Sizes for the preceding solution follow. 05-Jan-14 19:31:31 # X0 j- j/ |. v. p Size 1-10: 37 46 25 1 156 9 30 16298 3 18 ) {. T9 }8 q0 l# q0 q. q Size 11-20: 0 12 -9999 -9999 3511 0 0 0 23 0" J3 Y$ _+ U# r& L7 a8 L1 e
Size 21-30: 55 0 30 3 -9999 9 -9999 1976 -9999 0 u2 c! v/ F4 } d2 jSeconds for overlays 1-5 : 0.039 0.000 0.039 -- (CP: Wait; Real) }# {& f) J1 z
Seconds for overlays 6-11 : 0.039 0.000 0.039 9 O; K/ @9 l% A- W( [Seconds for overlays 12-15 : 0.000 0.000 0.000 / W& S- b+ O4 rSeconds for time-step loop : 0.000 0.000 0.000+ s% }7 d8 G" L
Seconds after DELTAT-loop : 0.000 0.000 0.000% Y2 _* h. S, T* N. ]
--------------------------- 0 d/ Z7 d1 p0 L8 n! P# O0 E( @0 L Totals : 0.078 0.000 0.078 " f; R' \1 Q. ^4 Q' A4 p # y; m% R4 E$ C3 |& \$ ]/ {3 n仿真为雷击线路: k+ g9 B# O; Z. _ 2 f) V& Z0 f: P- Z5 C. _5 I5 P9 ^ + k) W% Q" x) O+ o! o9 {5 \仿真设置为 " K. U4 ?, c# }# d 4 F7 H7 Z+ q; O! X4 R+ n Q7 K4 ]# p5 s7 I" I0 R# p
求高人解答
KILL = 212. A Newton solution for 3 coupled nonlinear elements has failed to converge within the iteration limit MAXZNO = 50. / v0 e. @, x5 x6 a( y' R6 U: v& D: p, kThe current residual is 5.15845719E+01, which exceeds the sloppy convergence tolerance EPSTOP = 1.00000000E-01. , p, a4 ]* a ^' ?& O" p) Y
说的是避雷器的问题,伏安特性曲线的问题,采用指数进行拟合,有时候会不收敛,一般修改伏安特性曲线参数,或者减小仿真步长,也可以降低收敛的最小值