Protective Relay, What is it?

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Video Protective Relay, What is it? is brief explanation about Protective relays and functions of protective relays, also types of relay are explained.


Protective relay is smart device which protects electrical equipments like motors, Transformers, Transmission lines, Generators, Bus-bars, etc.
They recive input from sensors and compare with set value (trip value) then provide output and isolate electrical equipment from the system.

RELAYS BY FUNCTION:
1 - Over Current Relay - (02:25)
2 - Inverse Definite Minimum Time Relay - (04:00)
3 - Impedance Relay - (05:30)
4 - Current Differential Relay - (07:20)
5 - Directional Relay - (08:45)
6 - Synchronism Check relay - (10:40)

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Create: Hrvoje Čočić
Category: Education
Music: Supreme
Music provided by Audio Library

Licence: Standard YouTube Licence