2 ^$ K7 r9 ^6 C$ _# D! f, i1 `仿真出现错误提示为: * N( L$ A0 u% ^$ R' JYou lose, fella. The EMTP logic has detected an error condition, and is now going to terminate program execution. The following1 Q5 k, ]) N* U! I2 G; \6 W
message summarizes the circumstances leading to this situation. Where an otherwise-unidentified data card is referred to, or where 5 f4 R7 t2 K" {8 E2 qthe "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) t* k3 U# O: j+ u
is generally the last one printed out prior to this termination message. But possibly this last-read card has not yet been 7 u2 D3 o: L' Qdisplayed, so a copy follows: # P* }; U( K# ~! W, i. {) j " " $ u. U6 N6 X# W" a KILL code number Overlay number Nearby statement number9 F5 ]# \5 K$ r c
212 18 3522+ f9 V. [. U6 K' @% L9 J6 d
KILL = 212. A Newton solution for 3 coupled nonlinear elements has failed to converge within the iteration limit MAXZNO = 50.3 d+ n, b N2 a+ Y9 q. o
The current residual is 5.15845719E+01, which exceeds the sloppy convergence tolerance EPSTOP = 1.00000000E-01. The first of) E0 O# F" Y7 _. O \
the coupled, true, nonlinear elements (in order of data input) is located in row 1 of the nonlinear element table, and it ) E+ m3 |9 I+ C" v1 Y$ ~6 a2 kconnects node "XX0026" with node "VTB ". The final coupled element is in row 3, and the matrix rank is 3. Finally, the3 S Y! ?( d- a, r, v7 Y" w
simulation time is T = 2.70500000E-06. Possible corrective actions include a decrease in the time-step size DELTAT, an increase \9 F5 g! c' H f) b
in the iteration limit MAXZNO, an increase in the divergence tolerance EPSTOP, and artificial splitting of the subnetwork in & {% ?6 V1 z; ]1 p+ p( @7 w. Tquestion by distributed-parameter lines (to reduce the number of coupled elements). In addition, it is possible for the user to ! J- s6 A1 @9 D% Fmake a solution impossible by unrealistically limiting the Newton corrections. The user should remember that there can be no " ?4 M7 _# t- D% \) Vsolution if his bound on arrester voltage is less than the true solution voltage. The bound has a default value of 1.5 per unit,! r( d3 ]0 B( E2 @' K9 _
although it can be changed by a"ZINC OXIDE" special request (columns 57-64, variable ZLIN(2)). " D) `! `4 E2 v' }( K( k# w------------------------------------------------------------------------------------------------------------------------------------+ F) a9 v# P3 S) \
ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/3 T, d7 Q3 p: D/ M7 I$ Y. z
ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ERROR/ q5 @ v/ k% b* Q' K
------------------------------------------------------------------------------------------------------------------------------------ 9 b! E1 n9 L! }" L/ ` h" v ) b# g6 X9 z# [2 w/ c' h. IActual List Sizes for the preceding solution follow. 05-Jan-14 19:31:31 1 h* l& i }+ X Size 1-10: 37 46 25 1 156 9 30 16298 3 18 , e7 U( g! A2 N9 b3 u. l% p Size 11-20: 0 12 -9999 -9999 3511 0 0 0 23 0 9 D2 p/ }5 E f0 d Size 21-30: 55 0 30 3 -9999 9 -9999 1976 -9999 06 T+ o6 }& \2 I( y% u% {! x' m/ P
Seconds for overlays 1-5 : 0.039 0.000 0.039 -- (CP: Wait; Real) " d# _4 g3 `5 XSeconds for overlays 6-11 : 0.039 0.000 0.0395 h5 ^) H: T9 P; J+ Y3 e
Seconds for overlays 12-15 : 0.000 0.000 0.000( Q/ Q; s/ }5 @1 J6 |9 _/ W
Seconds for time-step loop : 0.000 0.000 0.0006 B7 m& C( |4 a8 U
Seconds after DELTAT-loop : 0.000 0.000 0.000- K2 z& K4 z4 Z% t1 g
--------------------------- ( h3 \/ H- O- U+ b+ |" C2 n; \ Totals : 0.078 0.000 0.078 / W; h8 ~( u3 h) s$ q1 j' X* N3 W
仿真为雷击线路:2 [ F, K/ k2 f" g5 H . _7 U4 f/ [- o( E) L9 c% b# l* W. q9 ^6 k! k! N7 p
仿真设置为% A3 Z- p( t" K4 g$ }+ D8 S , r. g* R/ q7 X# T$ i8 Q ; N* D8 O! G* _- G% w6 g$ J, 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. ! C5 o( {! p( j% f& vThe current residual is 5.15845719E+01, which exceeds the sloppy convergence tolerance EPSTOP = 1.00000000E-01. 5 X& u& u/ Z# p2 l8 _# p4 a5 f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