Transformer Protection [HINDI] / POWER TRANSFORMER

All Protection of Transformer in Hindi explain in this video.
REF restricted earth fault protection,
differential Protection,
earth fault protection,
over current protection,
short circuit protection,
Overfulxing protection,
over voltage & under voltage protection,
stand by earth fault
SEF protection
MOG,
WTI,
OTI,
Buchholz relay,
PRV.