吴文辉老师的电力系统电磁暂态计算的第一个例子去掉电感后为何错误

奔跑的工匠

[img]file:///C:\Users\Administrator\Documents\Tencent Files\1075017590\Image\Group\@3Y03AR_08U~CUBS][{JM99.png[/img]我把电感去掉，再运行时就报错，下面是报错代码。帮忙分析一下非常感谢。
You lose, fella.   The EMTP logic has detected an error condition, and is now going to terminate program execution.  The following
, M2 n* [7 l- g; v: b2 N$ e4 e  B; omessage summarizes the circumstances leading to this situation.  Where an otherwise-unidentified data card is referred to, or where
4 o& c( _) S! ?# ethe "last" card is mentioned, it is the most recently read card of the input data that is meant.  The 80-column image of this card
is generally the last one printed out prior to this termination message.  But possibly this last-read card has not yet been
displayed, so a copy follows:
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              KILL code number                Overlay number               Nearby statement number
                         64                         11                               5525
7 k: l2 o, i1 x! D! SKILL = 64.   Switch connectivity error.  SUBROUTINE SWITCH,  which is used to make the logic changes associated with a modification
of switch status, has just determined that an error is about to occur.  A loop of closed switches is about to be created, touching
2 s2 x2 ]; Z6 H0 h: [7 H1 @5 Anode  "......".   Such closed switch loops make the network solution indeterminate, and are not allowed by the program.
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gsure

楼主，你可以把例子先放上来，要不不知道你在说什么呀~