ATPDraw运行时出错：Disconnected subnetwork

xingzhexiaobai

ATPDraw运行时的error. log 如下：

9 z6 M$ {/ i# |% [
+++///  Caution.  Disconnected subnetwork.  During the Y-matrix elimination for phasor voltages, a near-zero diagonal element
                 for node  "XX0013"  exists just prior to reciprocation.    Statistics follow:  Original ABS(Ykk) = 0.00000000E+00,
; d. v, ~7 Y1 `2 p+ Y: S                 questionable value = 0.00000000E+00,   tolerance ratio  TOLMAT = 1.00000000E-08  .    The node in question might be
  U! E; b1 x- L$ o# u" m                 connected to other nodes, forming a subnetwork, but that subnetwork has no, or only very weak, paths to ground or
( p1 Y, q: }3 e" h8 w                 to any other known voltage node of the steady-state network.   The solution voltages for this isolated subnetwork
4 ?4 P9 Z2 v$ |2 s& A; i                 will now be set to zero, as the solution continues.
' D# H, r+ h" h5 P+ r; a. p+++///  Caution.  Disconnected subnetwork.  During the Y-matrix elimination for phasor voltages, a near-zero diagonal element
                 for node  "XX0003"  exists just prior to reciprocation.    Statistics follow:  Original ABS(Ykk) = 0.00000000E+00,
( v  P' T8 X3 L                 questionable value = 0.00000000E+00,   tolerance ratio  TOLMAT = 1.00000000E-08  .    The node in question might be
7 t, t/ v5 q5 o+ [9 d" H                 connected to other nodes, forming a subnetwork, but that subnetwork has no, or only very weak, paths to ground or
! ~3 a& w+ A& G                 to any other known voltage node of the steady-state network.   The solution voltages for this isolated subnetwork
9 ~5 k9 K% N& n6 B                 will now be set to zero, as the solution continues.
) u+ ]: j2 y: K
4 J( Y% F# t$ {" n! u+ O% K" N) N

有没有高手遇见过这样的问题呀 这里我仿真的是电弧模型

xingzhexiaobai

这个问题迟迟没有得到解决啊  有没有遇见过的啊 指点一下下巴