bhushan


{ City } baddi
< Country > india
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why Transformer and DG rating capacity is in KVA

ACC,

4 Electrical Engineering 10087



Answers / { bhushan }

Question { BSNL, 144532 }

how to check the earth resistance value& what is the
minimum earth resistance for good earthing sysytem.


Answer

value depends upon the soil resistivity but in reality it
should be zero to get better result. As per recommendation
by NFPA and IEEE it should be less then 5 ohms.

Is This Answer Correct ?    1 Yes 0 No