Electromagnetic Relays in Interfacing
Introduction to Static Relays Articles: Characteristic Functions of Protection Relay : Characteristic Functions of Protection Relay elements using different operating principles. These principles and design criteria determine how well the…
Introduction to Protective Relays Articles: Basic Ideas of Protection Relay: Basic Ideas of Protection Relay should ensure the availability of electrical energy without interruption to every load connected to the…
Protective Relays Articles: Protective Relay: A Protective Relay is a device that detects the fault and initiates the operation of the circuit breaker to isolate the defective element from the…
Buchholz Relay: Buchholz Relay is a gas-actuated relay installed in oil immersed transformers for protection against all kinds of faults. Named after its inventor, Buchholz, it is used to give an…
Differential Relay: Most of the relays discussed so far relied on excess of current for their operation. Such relays are less sensitive because they cannot make correct distinction between heavy…