Restricted Earth Fault Protection working | REF relay working principle | REF relay working Part-1

Описание к видео Restricted Earth Fault Protection working | REF relay working principle | REF relay working Part-1

Restricted Earth Fault Protection working
the working of REF high impedance protection
Definition for REF
Restricted earth fault protection is a sensitive way to protect a zone between two measuring points against earth faults.
zone present in REF protection
i) inzone
ii)outzone

#REF #REFworking

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