ATPDraw运行时出错：Disconnected subnetwork

xingzhexiaobai

ATPDraw运行时的error. log 如下：
* b1 @% E( w" q+ i# c9 w: I: H/ g
5 M2 p- q, ^, c' _8 k
  Z& @; ~' s5 d" _4 K5 l3 l3 u3 b+++///  Caution.  Disconnected subnetwork.  During the Y-matrix elimination for phasor voltages, a near-zero diagonal element
" c& J7 N  F$ @( J* r                 for node  "XX0013"  exists just prior to reciprocation.    Statistics follow:  Original ABS(Ykk) = 0.00000000E+00,
! Q* k7 t( g1 S/ o1 Q                 questionable value = 0.00000000E+00,   tolerance ratio  TOLMAT = 1.00000000E-08  .    The node in question might be
                 connected to other nodes, forming a subnetwork, but that subnetwork has no, or only very weak, paths to ground or
: _8 ?) v- n: S4 I& ^7 j4 |                 to any other known voltage node of the steady-state network.   The solution voltages for this isolated subnetwork
                 will now be set to zero, as the solution continues.
+++///  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,
                 questionable value = 0.00000000E+00,   tolerance ratio  TOLMAT = 1.00000000E-08  .    The node in question might be
                 connected to other nodes, forming a subnetwork, but that subnetwork has no, or only very weak, paths to ground or
                 to any other known voltage node of the steady-state network.   The solution voltages for this isolated subnetwork
& u" b: A2 D) _9 v7 k                 will now be set to zero, as the solution continues.
6 E* X8 [2 K. ]) a
$ O9 k) M* F- \  F2 q: K  M
' [/ \! W' L) t+ M
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