ATPDraw运行时出错：Disconnected subnetwork

xingzhexiaobai

ATPDraw运行时的error. log 如下：
& p# ]5 I$ f: _' d1 t
* \! e6 |: j, _# _! f1 c
" n& C9 a# {3 Q+ _) H9 `4 c" h+++///  Caution.  Disconnected subnetwork.  During the Y-matrix elimination for phasor voltages, a near-zero diagonal element
! ?$ G0 n0 F! H; a  @                 for node  "XX0013"  exists just prior to reciprocation.    Statistics follow:  Original ABS(Ykk) = 0.00000000E+00,
. C/ a5 b. Q6 E8 U( h, e. p                 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
- s  g* p+ p. F; {3 N                 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,
$ w* J+ c% z6 N% b; t& y/ v7 w# z                 questionable value = 0.00000000E+00,   tolerance ratio  TOLMAT = 1.00000000E-08  .    The node in question might be
( L5 H/ h; H4 |/ I, b8 R0 ?                 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
                 will now be set to zero, as the solution continues.



* t$ H& D5 n6 E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