An educational tool for introducing power engineering students with modal extraction concepts.

Undergraduate power engineering students find difficult to apply modal analysis to characterize the dynamical behavior of a power system, although they know some basic concepts of modal analysis from courses such as linear algebra and differential equations. This paper presents an educational software tool for the identification of dominant oscillatory modes from time domain responses. It is aimed to help power engineering systems students to understand and to gain experience on the application of modal analysis for assessing the system dynamics from measured signals of a power system, in terms its dynamic properties such as oscillation frequency and its associated damping.