这边要用到 但看不明白 问问各位 CHKTRE(ICODE)函数是什么作用的? 返回值个表示什么意思?# }' i/ p* R: y F
手册里给的解释如下 ! N3 y4 ?7 G# }" U" H1 \/ _5 nCALL CHKTRE(ICODE) 1 Z' q# C4 t' z DIf the case contains Type 4 (or greater) buses with in-service branches then an error condition is2 x' A( v B% J' @% Y' ?
returned. Counts number of islands not containing a Type 3 (swing) bus. It may be inappropriate to 6 ^ S5 v3 K7 L- i' Gcall this subroutine with generators converted; since there will be no Type 3 buses, it will simply 7 z- f9 s6 _9 ^: C |* f; K3 kcount every island (finding at least one unless there is no working case). 9 {3 v8 z& n! B# k' DICODE Error code (integer output):5 Y: y6 x) V' T- B9 T( V
0 No errors. + O& W# v& g8 W) V, c/ j-1 No in-service buses remaining. . t' U6 c3 ?% Y4 K-2 There are Type 4 buses with in-service branches connected.2 V4 @1 K" X# ]" X% d0 E# C
>0 Number of islands without a Type 3 bus. 2 Y2 v6 v% i6 L- M' Z太谢谢了