psat2.1.2说明文档，用于学习past，稳态暂态潮流计算以及故障分析-psat2.1.2 documentation, for learning past, steady-state flow calculation and fault analysis of transient

1、根据基本割集文件求最小割集； 2、根据基本割集文件和事件概率求总失效概率和重要度FV、S、RAW。-1, the basic cut-set file Minimal Cut Sets 2, according to the basic cut-set files and event probabilities seek total failure probability and importance FV, S, RAW.