12:51

Transformer cooling system || Hindi

35:50

REF (Restricted Earth Fault) PROTECTION of Transformer Explained in Details (हिंदी Hindi)

12:05

Differential, REF and SEF protection of transformer.

7:29

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

11:56

Restricted Earth Fault Protection|REF relay working principle

15:00

Stability test of transformer

19:53

Plug setting multiplier time setting multiplier in relay || Over current earth fault relay || Hindi

16:27

Basics of Battery Charger ||Working Principle of float and boost Mode || Hindi