On what basis no of earth pits are to be decided either for
transformers or for equipment?
Answer Posted / vikramsenareddy
Ans: Transformer secondaty sholud have neutal point. This
we brought from earth. neutral point is earthed and
connected to T/F. for this we required one earh pit. and
for body earthing we should have another earh pit.
structure earthing for this another earth pit.
For an equipment we required only one earth pit for body
earthing and electrical accessories earthing( like
motors,switch gear, electronic instruments).
Is This Answer Correct ? | 23 Yes | 13 No |
Post New Answer View All Answers
Which test will be more severe for VCB?
how to maintain frenquncy with syncronising sub-station for distribution
why we are using Load factor?
What effect does a very low impedance have on the Voltage regulation? On the short-circuit current?
What is the purpose of stand by earth fault protection for transformer ?
l&t switch FN 63 handle position can we change
What is the ratio of true power to apparent power in an ac circuit?
What is I to C?
how to copy from plc ge fanuc versamax series,all input and output, adress, and printout.
Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.
Proviiding the Dedicated N earth and individual Body Earths ,Finally these all looped /Now my Question :- will it not harm in case of Transformer Fault current flows in Dediacted N Earthing to Looped Body Earthing.
how to synchronize 3 phase slip ring induction motors of different ratings.
why Lightening Arrester Probe sharp at Top of telecom tower.
How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?
What is the function of electron gun used in crt?