$ r, H, K/ @. H' ?2 \
仿真出现错误提示为：# G# T: S5 {% i4 _
You lose, fella. The EMTP logic has detected an error condition, and is now going to terminate program execution. The following . d0 _# y3 V2 A: p% @* P: Dmessage summarizes the circumstances leading to this situation. Where an otherwise-unidentified data card is referred to, or where 7 E0 g6 G/ o2 D4 Z7 Bthe "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 9 {4 e8 q$ O3 s, I6 E8 w, }is generally the last one printed out prior to this termination message. But possibly this last-read card has not yet been ! B2 i! g, n8 y% u! Y3 @displayed, so a copy follows:8 o8 x9 {+ A! N
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KILL code number Overlay number Nearby statement number $ G+ W) j, _. {' S# `" v 212 18 3522 6 c. N% Y- ~* f$ NKILL = 212. A Newton solution for 3 coupled nonlinear elements has failed to converge within the iteration limit MAXZNO = 50.+ [7 C" v# r) v1 o% x0 P- }
The current residual is 5.15845719E+01, which exceeds the sloppy convergence tolerance EPSTOP = 1.00000000E-01. The first of0 L. F& w4 b# |8 e
the coupled, true, nonlinear elements (in order of data input) is located in row 1 of the nonlinear element table, and it% R" U2 T# ]; \& d% ?
connects node "XX0026" with node "VTB ". The final coupled element is in row 3, and the matrix rank is 3. Finally, the. Z8 z0 N8 E- g8 Z
simulation time is T = 2.70500000E-06. Possible corrective actions include a decrease in the time-step size DELTAT, an increase) Q1 B q' B7 o. e" b
in the iteration limit MAXZNO, an increase in the divergence tolerance EPSTOP, and artificial splitting of the subnetwork in/ Z) V o8 b4 I, g/ J* u- t8 R% F
question by distributed-parameter lines (to reduce the number of coupled elements). In addition, it is possible for the user to 6 D- {) F2 m8 J' q2 D# C0 umake a solution impossible by unrealistically limiting the Newton corrections. The user should remember that there can be no0 l$ H- }# a5 c( H9 T& ^4 v
solution if his bound on arrester voltage is less than the true solution voltage. The bound has a default value of 1.5 per unit,) D+ Z& q* i+ N
although it can be changed by a"ZINC OXIDE" special request (columns 57-64, variable ZLIN(2)). . _6 I! F" Y! H/ h------------------------------------------------------------------------------------------------------------------------------------ $ I* o; `5 [4 [ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/6 w' `: N: a7 P. f! O9 D/ `
ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ . p. t. w. ^7 C- |$ K- i9 A------------------------------------------------------------------------------------------------------------------------------------ $ k; R3 D. Y% y; p+ f+ ^: f# \# i" v6 c V" T" J
Actual List Sizes for the preceding solution follow. 05-Jan-14 19:31:31' D* S+ N7 u. E% |+ d) L! m7 M. V
Size 1-10: 37 46 25 1 156 9 30 16298 3 18 0 `( D7 J, C; q Size 11-20: 0 12 -9999 -9999 3511 0 0 0 23 0* e$ F4 Z& U) i, G1 n5 v# t& p
Size 21-30: 55 0 30 3 -9999 9 -9999 1976 -9999 0 + a+ e1 j& p2 W" zSeconds for overlays 1-5 : 0.039 0.000 0.039 -- (CP: Wait; Real); P) |8 x6 N: B& Z' _8 X. o
Seconds for overlays 6-11 : 0.039 0.000 0.039 : A3 q2 f: N; b9 U; t3 _Seconds for overlays 12-15 : 0.000 0.000 0.000# A: |+ F) M/ F* q# B: r2 f l1 ~
Seconds for time-step loop : 0.000 0.000 0.000 . i: b2 E) ~& I7 \Seconds after DELTAT-loop : 0.000 0.000 0.000 j" A' E+ ~ d) ~2 F$ {0 p9 }0 u ---------------------------: z7 Z4 b8 N9 C, @0 e" g- {
Totals : 0.078 0.000 0.078& ~" A8 ~8 f- w0 P; y! D, C
* K+ H$ f+ v/ g% ^仿真为雷击线路：* N" s" k6 h8 r2 {- m; f+ k+ t' f : F# |/ M# v3 H% h+ L s( Q& g# U) a% M! g: |
仿真设置为" S, ^1 j0 v* V
* f$ ^1 ~0 r# z) ]9 l8 E
KILL = 212. A Newton solution for 3 coupled nonlinear elements has failed to converge within the iteration limit MAXZNO = 50. * }1 B9 R5 }. P2 Y! O' D# I* qThe current residual is 5.15845719E+01, which exceeds the sloppy convergence tolerance EPSTOP = 1.00000000E-01. ; g3 X1 I% B' G+ U5 q
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
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发表于 2014-1-5 19:38:31
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