A free version of PSCAD is available for download at 1, is the modified IEEE Bus which contains 23 Buses and the varying components modeled in PSCAD. 2017 admin PSCAD includes comprehensive library of system models covering many passive elements and control functions for studying the transient behavior of electrical apparatus and networks (Monitoba Hydro). Several short tutorial videos are available on the same website. This book includes sections that address new advancement In this paper, the concept of distance protection and impedance setting rule for three zones are given in section II.
