POWER_FLOW Function to perform a power-flow analysis. Function power_flow reads a data set describing a power system from a disk file, and performs a power-flow analysis on it. The only argument is the name of the input file. There are three types

基于MVA的教学过程质量分析及学习评价方法Based on the MVA teaching process quality analysis and evaluation of learning method-Based on the MVA teaching process quality analysis and evaluation of learning method

如图所示为一个5节点电力系统。已知负荷1，2，3的大小分别为(67.5+j41.83)MVA，(60.0+j37.18)MVA，(90.0+j55.77)MVA；发电机出力为SG1=97.5+j60MVA。取母线2为平衡节点，线路参数如表1所示，进行潮流计算。-As shown in Figure 5 is a node power system. Known load size 1,2,3 respectively (67.5+ j41.83) MVA, (60.0+ j37.18) MVA,

Static Exciters IEEE ST1A, power system stabilizer with multi-machine, nine-bus system. The base MVA is 100, and system frequency is 60 Hz, The disturbance here is the transient by a single-phase fault time