+++/// 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
1 B  D2 z% N) f1 c- g$ Q& e' G                 for node  "XX0002"  exists just prior to reciprocation.    Statistics follow:  Original ABS(Ykk) = 0.00000000E+00,
/ X$ Y: \! W; R9 x0 _1 ~* ?                 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
/ L& ]8 c2 a! g                 to any other known voltage node of the steady-state network.   The solution voltages for this isolated subnetwork
: {  k) ?* B! x7 [7 j( n/ u                 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