0 M8 o) w R0 }. x5 a2 F仿真出现错误提示为:( r( c; }" h' ~
You lose, fella. The EMTP logic has detected an error condition, and is now going to terminate program execution. The following& W8 A0 A" V# N6 L
message summarizes the circumstances leading to this situation. Where an otherwise-unidentified data card is referred to, or where ]; \! K4 [( @7 T
the "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 0 L5 Q& i4 |& x+ nis generally the last one printed out prior to this termination message. But possibly this last-read card has not yet been' n Z2 H: ]% o8 i6 B( n
displayed, so a copy follows:( Q% K9 Z$ C5 s' j5 n- J0 ~
" " - I; o3 e) h4 W1 C* n& W KILL code number Overlay number Nearby statement number : z4 a9 g- p7 g5 d5 { 212 18 3522 : ~! S2 _% g' |/ |# oKILL = 212. A Newton solution for 3 coupled nonlinear elements has failed to converge within the iteration limit MAXZNO = 50.: N4 w0 X# h! K" r5 u
The current residual is 5.15845719E+01, which exceeds the sloppy convergence tolerance EPSTOP = 1.00000000E-01. The first of' _+ k0 L- h! L) `9 @
the coupled, true, nonlinear elements (in order of data input) is located in row 1 of the nonlinear element table, and it & z# |# N7 P- L& tconnects node "XX0026" with node "VTB ". The final coupled element is in row 3, and the matrix rank is 3. Finally, the. g' N0 k& C2 p
simulation time is T = 2.70500000E-06. Possible corrective actions include a decrease in the time-step size DELTAT, an increase% Z6 L7 o2 v% w
in the iteration limit MAXZNO, an increase in the divergence tolerance EPSTOP, and artificial splitting of the subnetwork in % m9 A( R; B' x" H0 Oquestion by distributed-parameter lines (to reduce the number of coupled elements). In addition, it is possible for the user to ( L2 J0 J1 V3 g e# ]1 q; {9 S6 l2 kmake a solution impossible by unrealistically limiting the Newton corrections. The user should remember that there can be no ) ?2 K# b) `. t# w- V' O; [( 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,1 v5 V6 \9 h( G1 ^0 L& e8 L1 n: O6 S
although it can be changed by a"ZINC OXIDE" special request (columns 57-64, variable ZLIN(2)).+ ^& n3 q2 m! \! ]0 \ z: }
------------------------------------------------------------------------------------------------------------------------------------0 k6 i$ W1 K' |4 |! \8 K
ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/$ O4 _* |% k, M2 |& M4 Z
ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/# E9 U$ e+ m! N: k' B8 F9 W$ k% `
------------------------------------------------------------------------------------------------------------------------------------ ; U* v" G0 O3 t, Y _+ o( ?) e0 |1 {' d/ \3 `
Actual List Sizes for the preceding solution follow. 05-Jan-14 19:31:31 ' R% L+ b7 }1 L4 t+ C" T( e3 C Size 1-10: 37 46 25 1 156 9 30 16298 3 18 . _2 J' p" \ b% N. \+ L Size 11-20: 0 12 -9999 -9999 3511 0 0 0 23 01 V. u! X: t4 n1 e
Size 21-30: 55 0 30 3 -9999 9 -9999 1976 -9999 0 ' z3 s# _' r; d8 q* S8 V" m1 RSeconds for overlays 1-5 : 0.039 0.000 0.039 -- (CP: Wait; Real) 3 r' K& A) n) n) _1 hSeconds for overlays 6-11 : 0.039 0.000 0.039 % T7 g+ X- J6 c( y" w# y+ Z) ?Seconds for overlays 12-15 : 0.000 0.000 0.000 3 q' |/ O6 @% \Seconds for time-step loop : 0.000 0.000 0.000 $ ]9 ]' T: p9 T- p( {1 F. O- ySeconds after DELTAT-loop : 0.000 0.000 0.0005 N1 Z$ l( s1 ^% J
--------------------------- 6 z7 Y+ Y9 R2 g0 c: j* _$ G Totals : 0.078 0.000 0.078- e9 _; a" V! e: i/ I9 P
- Q$ @7 q" M1 i) t. Z0 Z8 T
仿真为雷击线路: 6 _, k4 H6 h' s% W& C* g + f( Z$ Y: z. P; V$ w/ C0 s4 h8 b% j/ h
仿真设置为 c$ D0 ]% ^) J- s) F. }7 O Y, k
( Y' [, A& o" E* I# c9 i5 `
KILL = 212. A Newton solution for 3 coupled nonlinear elements has failed to converge within the iteration limit MAXZNO = 50. ( D( A, [ o% Q9 [The current residual is 5.15845719E+01, which exceeds the sloppy convergence tolerance EPSTOP = 1.00000000E-01. / A$ d V( y' P" }* m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