高等电力系统分析，IEEE 14节点潮流分析，短路计算，采用java编程，运用牛顿拉夫逊法，PQ分解法针对标准算例进行计算。-Higher power system analysis, trend analysis, IEEE 14 nodes short circuit calculation, using Java programming, using the newton-raphson method, the PQ decomposition method for standard ex