What is the min and max ohmic value for earthing?
Answer Posted / sham
it's depend on system
Basicaly for LV system it should be less than 1 ohm and
for MV system it should be in rage of 1 to 5 omh
ideal is 0 resistance but practically it is not possible
| Is This Answer Correct ? | 43 Yes | 1 No |
Post New Answer View All Answers
What are the operation carried out in thermal power station?
If 22 KV HT line, Current transformer is 25/5 then how to calculate multiplying factor.
Currently what is the highest capacity (MVA) of SPPg generator available in the market?
What is difference between safe PLC and normal PLC
What are the causes for the failures of sandwich type (Al) busducts?
what is the difference between the voltage of 5 volts capacitor and and 5volts battery?
Why temperature rise is conducted in bus bars and isolators?
How select ELCB for 32amp. socket having quantity 12Nos. We have to do this wiring in PLANT. Please Also explain the incoming cable specification.
why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%
When can we take Neutral as common neutral link?
I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com
what is the question paper model for section engineer in RRB
What is the tube exial fan?
what is the defination of Cable database? What are the points are considered while preparing cable database? Is there any sample available for cable database?
is it true there's a big difference in using Cummins or Denyo...especially power output or leakage