Effects of Static and Dvnamic Load Models on Power Svstem Load Representatio

Abstract

In thisp apert,h em ulti-machinpeo wers ystemrn odeiln [,2] is extendetdo includea dynamrc loadm odelT. hee ffectso f usings tatica ndd ynamilco adm odeltso represetnhte e lectricalol ado f the power system with a constant power type, i.e., an aggregate induction motor is fully investigated through small-signal analysis. The eigenvalue and participation factor techniques are used. The results obtained from 9-bus test power system reveal widely different ways of power system dynamic performancesw ith the statica nd dynamic load modelsb eing used.