Restricted Earth Fault Protection|REF relay working principle
11:56
YouTubeELECTRICAL TECHNOLOGY and INDUSTRIAL PRACTICE
Restricted Earth Fault Protection|REF relay working principle
In this video the philosophy behind the restricted Earth Fault Protection has been elaborated. Restricted Earth Fault Protection is also known as differential earth fault protection. It is basically earth fault protection but works on differential relay principle. Restricted Earth Fault Protection is used to detect earth fault inside a machine ...
162.2K viewsDec 31, 2018
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