Differential protection in single phase transformer in Hindi

Hello friends,
In today's video we are here with an interesting topic on differential protection concept for single phase transformer.
Hope many of your concepts will be cleared by watching this video.
let us know your doubts in comments.
00:45 Ideal single phase transformer
03:58 Differential relay in external fault
05:54 Differential relay in internal fault
12:33 Parallel transformer operation in grid