REVOLUTION IN RELAYS AT A GLANCE
Keywords:History of Relay, Function of different relays, Limitations, Improvement in relays
Protective relays works as sensing and control devices to make system more healthy and protective.
Basically relay sense the abnormalities of the system and gets operated when fault occurs. This paper deals with
History and Revolution in Protective Relays. In this paper we have included the basic concept of relays.