电力系统标准测试系统，30节点系统，格式完全正确，可以方便的用来分析计算。-Power system standard test system, 30-bus system, the format entirely correctly, can easily be used to analyze the calculation.

30总线系统的潮流计算 finpt.m可以修改各支路、各总线的有功、无功、无功补偿、支路阻抗等数据，运行后，运行pflw.exe文件，生成pfoutput.m文件显示潮流计算结果-30-bus system can modify the flow calculation finpt.m slip, the bus active and reactive power, reactive power compensation, slip resistance and other data, ru

this m-file appopriate for load flow in ieee 30bus test system. this code able to use in other network with a little change in datas.

In modal analysis eigen values have to be found out. with these eigen values participation factor has to be found out. Modal analysis to be done for a 9bus,39 bus,30 and 14 bus system .Modal analysis with and without connecting a squirrel cage indu