On what basis no of earth pits are to be decided either for
transformers or for equipment?

Answer Posted / meka sekhar

normally, transformer body is conned to earth mat via earth
cables. No earth pit is required for body connection.
Normally Earth pit will be provided for neutral earthing
in order to facilitate isolation.

Is This Answer Correct ?    0 Yes 5 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is electrical grounding?

636


We have studied about many techniques for finding the stability of system, ROOT LOCUS, ROUTH, BODE PLOT, POLER PLOT etc. In these which is used where. what are the difference among them... PLZ tell me.......

1671


Disadventage of cable-gland earthing if any ?

1664


What are different types of control systems?

741


what exactly commisioning work does in electrical site work... LT side?..

1498






help me with the question that might be ask on the interview for technical position

1809


Diagram and details of polarity test for Current Transformer 11kv 400/200/100/1A

2566


what is the preventive maintence for ht panels and busbars and vcb abd acb's.

1860


Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere

1194


explain with diagram how to protect transformers and substations from over current with help of CT's?

1504


PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM

1713


In a Impedance Based Distance Relay (Quad Characteristics) - Could there be two different Line Angle(RCA) for Ph-Ph & Ph-Gnd? If So Kindly Let me Know.. Where, What are the advantages of the same?

963


Where I can get the sample question for post of Junior engineer electrical-II For RRB Bhubaneswar.

1694


What is the problem of internal failure in ship engine telegraph system norcontrol?

1749


State magnitude criterion.

673