此压缩包是一段电力系统稳态分析的VC++代码，可运用于牛拉法潮流计算，适合三机九节点的电力系统使用，经仿真测试能够运行，很具有参考意义。-This piece of code compression package is VC++ steady-state analysis of the power system, can be used in cattle Rafah flow calculation for three machines nine nodes use the power system, the simulation test to run, it is a reference significance.