I want to know the standards for earthing system as per
IEC, BIS & IEEE.

Answer Posted / vrishali ajagaonkar

For earthing calculation IS-3043 & IEEE-80 are using. i dont
have idea about IEC.

Is This Answer Correct ?    5 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain The Application Of Storage Batteries?

684


1 “earthing” for bonding of equipment and circuits to common plant earth electrode potential, 2 “protective earthing (PE)” when this bonding is required for personal safety provisions 3 “grounding” for interference suppressing bonding of screens, sys-tems with ground level 4. low-impedance earthing ? 5.primary earthing system and secondary earthing system what is that? 6.earthing electrode or mesh net earthing electrode ? very confusing , simple but very informative help required ? i will be very very thankful to you guys.

1603


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?

1424


Which is the oldest hydropower plant in india?

680


which is better to use svc or synchronous condenser why ?

1346






What is the earth treantment procedure?

1608


what is diff. between earthing grid,earthing mess, earting grid?

1862


what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.

1850


What is an ideal transformer?

650


As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?

3086


i want to know that how the height of Ct ,cvt ,LA calculated on the basis of creepage distance

2050


what is the working process of over & under voltage relay.

1612


What is the unit audit? if our Max demand is something and we found much more unit then how to improve our max demand?

1512


Why the earth to phase voltage is high 250 compare to other two phases

1058


What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.

1483