+++/// Caution. Disconnected subnetwork. 运行后总是出现这个提示 是什么意思

goldenzhang

+++///  Caution.  Disconnected subnetwork.  During the Y-matrix elimination for phasor voltages, a near-zero diagonal element
. K0 D* w( b0 q& |$ ]% L5 z5 M                 for node  "XX0002"  exists just prior to reciprocation.    Statistics follow:  Original ABS(Ykk) = 0.00000000E+00,
& w9 l' C3 A8 j9 Y                 questionable value = 0.00000000E+00,   tolerance ratio  TOLMAT = 1.00000000E-08  .    The node in question might be
9 r0 Q2 ?6 @' d  s0 T( D9 f) G) N                 connected to other nodes, forming a subnetwork, but that subnetwork has no, or only very weak, paths to ground or
# B; a& D4 o( l' D8 v                 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.

这个提示是什么意思。 哪里出问题啦。 谢谢

xingzhexiaobai

我也遇见这个问题  也想知道答案 有没有高手遇见过啊 怎么解决的啊