What are the main functions of a protection relay?
· Detection of the presence of a fault.
· Detection of presence location of a fault.
· Detection of presence type of fault.
· To close the trip circuit and operate the circuit breaker to isolate the faulty system from the healthier one.
What is a protection relay?
What is the purpose of protection relay?
Why is protective relay used?
Why relays are used in a system?
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