ATPDraw 运行时出现这+++/// Caution. Disconnected subnetwork.

xingzhexiaobai

ATPDraw 运行时老出现这个是怎么解决的啊   +++///  Caution.  Disconnected subnetwork.  During the Y-matrix elimination for phasor voltages, a near-zero diagonal element                 for node  "XX0014"  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
" l2 }6 }# K  h) B, Z; x6 U+ |" g& v1 h/ x                 connected to other nodes, forming a subnetwork, but that subnetwork has no, or only very weak, paths to ground or
! F2 W- }& W/ d- j                 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  "XX0004"  exists just prior to reciprocation.    Statistics follow:  Original ABS(Ykk) = 0.00000000E+00,
" O* M9 G# r& T6 N6 Q4 ]+ t( \                 questionable value = 0.00000000E+00,   tolerance ratio  TOLMAT = 1.00000000E-08  .    The node in question might be
- [% P. W1 Y# j  p7 M                 connected to other nodes, forming a subnetwork, but that subnetwork has no, or only very weak, paths to ground or
0 y( h, _2 A. @! }, U                 to any other known voltage node of the steady-state network.   The solution voltages for this isolated subnetwork
% }3 a( j- [3 p/ J2 h  M2 y                 will now be set to zero, as the solution continues.