What is the reason for using NGR (Neutral Grounding Resistor) in a power transformer?

[@balaa6]

Thank U & Excellent Presentation....

[@noelfaithfulkari2857]

Thanks alot sir. I would like you talk about electrical system protections and relay used for the protections in details, like settings...etc.

[@initiallearnwithme]

Thank you, Sure I will

[@altuber99_athlete]

In multipoint grounded neutral power systems, common in the US, there is current flowing through the neutral-to-ground wire, under normal (unfaulted) conditions. Do you know how can line-to-ground faulta be detected in this case?