( l: L, }; X6 x) ]1 | G
仿真出现错误提示为: . h8 I9 p$ q" eYou lose, fella. The EMTP logic has detected an error condition, and is now going to terminate program execution. The following8 c! ^& ?; U5 Z# v/ Y
message summarizes the circumstances leading to this situation. Where an otherwise-unidentified data card is referred to, or where ! J2 g5 j* w1 M& v! y) x9 Rthe "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% J7 P4 I7 {: M/ R# f) K
is generally the last one printed out prior to this termination message. But possibly this last-read card has not yet been + T) J) R, y2 Q# w" x! a3 Udisplayed, so a copy follows: 8 r! [0 K, s; @ " "9 t' D6 }5 _) M& ]
KILL code number Overlay number Nearby statement number7 j4 @& ?' F: ]% e" m8 Q
212 18 3522 . K3 ^, G$ p p3 v3 U$ x3 aKILL = 212. A Newton solution for 3 coupled nonlinear elements has failed to converge within the iteration limit MAXZNO = 50.! {7 i4 Q, R9 [
The current residual is 5.15845719E+01, which exceeds the sloppy convergence tolerance EPSTOP = 1.00000000E-01. The first of . O+ u; A) \) x1 G! w. H: e' S, }the coupled, true, nonlinear elements (in order of data input) is located in row 1 of the nonlinear element table, and it, X3 N) J+ } `/ Z0 {8 m! | [
connects node "XX0026" with node "VTB ". The final coupled element is in row 3, and the matrix rank is 3. Finally, the 2 e; [4 f' J* Usimulation time is T = 2.70500000E-06. Possible corrective actions include a decrease in the time-step size DELTAT, an increase# Z0 V- _4 f& K2 M
in the iteration limit MAXZNO, an increase in the divergence tolerance EPSTOP, and artificial splitting of the subnetwork in 0 a9 ?% Z1 `2 q% Z N9 P; ]question by distributed-parameter lines (to reduce the number of coupled elements). In addition, it is possible for the user to! y" B$ f3 m1 P0 ?* F7 S
make a solution impossible by unrealistically limiting the Newton corrections. The user should remember that there can be no9 o# j( B7 I' h) z/ \- _
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," d6 X# h$ k `2 m, ~
although it can be changed by a"ZINC OXIDE" special request (columns 57-64, variable ZLIN(2)).# Z4 D% T4 R+ \! K' q
------------------------------------------------------------------------------------------------------------------------------------ ; ~# H9 o8 d- }ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/( y. X7 \6 k0 Y
ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ 6 c- U3 c+ M# R6 n3 V! j% n, L) [------------------------------------------------------------------------------------------------------------------------------------ 4 W+ O6 k' T! w$ n* D. W& `' o# @& e
Actual List Sizes for the preceding solution follow. 05-Jan-14 19:31:315 Y1 z. f( p4 ~$ \9 E9 o
Size 1-10: 37 46 25 1 156 9 30 16298 3 18 % P$ I6 R5 a( I8 X Size 11-20: 0 12 -9999 -9999 3511 0 0 0 23 0 ( i# D- F$ V4 L2 R) v; n# {( ? Size 21-30: 55 0 30 3 -9999 9 -9999 1976 -9999 07 v0 b# D3 X$ q
Seconds for overlays 1-5 : 0.039 0.000 0.039 -- (CP: Wait; Real)) Q6 B' v; g, {7 q
Seconds for overlays 6-11 : 0.039 0.000 0.039/ z% q+ `+ ^8 y! l+ R
Seconds for overlays 12-15 : 0.000 0.000 0.000! V2 @3 E9 P0 a3 }
Seconds for time-step loop : 0.000 0.000 0.0004 ~7 b; A: B2 I* X9 E, N2 S
Seconds after DELTAT-loop : 0.000 0.000 0.000) F% h- e, f, H& T
--------------------------- $ ]# c9 A: L% ~ Totals : 0.078 0.000 0.0786 m; N1 e) P$ b w
! w7 h# s- ]) g7 C9 u6 E6 x
仿真为雷击线路:7 E* t' G+ h0 s* |& p% h; E # b: E2 K' `* f! S( e& H: T% f: t1 W" P$ b/ Y3 |, D
仿真设置为 4 T- g% i$ @* @6 t 6 H/ D: e" F8 p/ f; ^# w3 V- H d. z& ` b9 T. m2 z) Q: H
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. a# U& ?6 a3 C% \4 j, BThe current residual is 5.15845719E+01, which exceeds the sloppy convergence tolerance EPSTOP = 1.00000000E-01. : r/ }8 P5 ^& e# C( 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