Introducing you the topics of Switchgear & Protection NEE-602 (Unit-I) in very summarized way. These notes are provided by Mr. Deepak Pandey, Asst. Professor.
Content:Introduction to Protection System: Introduction to protection system and its elements, functions of protective relaying, protective zones, primary and backup protection, desirable qualities of protective relaying, basic terminology. Relays: Electromagnetic, attracted and induction type relays, thermal relay, gas actuated relay, design considerations of electromagnetic relay.