what u'll do if you get stuck while you are working on some imp work on PC or How you will save you document when PC get stuck
6 11140Post New IndiaCom Interview Questions
How to fix toll charge for a particular vehicle at toll booths in a highway?
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What is the need of earthing transformer for delta side of a transformer. (Think of a line section between a star/delta transformer at a grid substation and delta/star transformer at a village. An earthing transformer is there at the delta side of the star/delta transformer at grid substation). As there are no ground reference there will not be fault current if a one phase is grounded. Further L-L phase will be sensed by the primary side of star/delta transformer as a L-G fault. So why an earthing transformer is required at delta side