TheSiemensPTIPowerSystemSimulator(PSS®E)isapackageofprogramsforstudiesofpowersystemtransmissionnetworkandgenerationperformanceinbothsteady-stateanddynamicconditions.PSS®Ehandlespowerflow,faultanalysis(balancedandunbalanced),networkequivalentconstruction,anddynamicsimulation.UsingPSS®E,the