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sivathiyagarajan
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Join Date: May 2009
Posts: 1

Earth Resistance

05/31/2010 12:29 AM

What is the Earth resistance of earth electrode?
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ieshiv
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Join Date: May 2009
Posts: 40
Good Answers: 1
#1

Re: Electrical

05/31/2010 2:44 AM

Refer IEEE-80 or if you are in india tha IS-3043...

All details and formula are given in that ......
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Anonymous Poster
#2

Re: Electrical

05/31/2010 5:02 AM

It should be less than One ohm
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Anonymous Poster
#5
In reply to #2

Re: Electrical

06/09/2010 10:01 AM

how do u decide, it should be less than 1 ohm, why not 5,10,20 ohm. can u explain.
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Anonymous Poster
#3

Re: Electrical

05/31/2010 2:10 PM

drop one earth rod from roof of the building to the place where your earth rode is fixed. it is called dummy test. Then measure the distance between dummy to original earth rod. Divide this value by no of earth rods. you get the reath resistance value.
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sridharganasen
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Join Date: Oct 2009
Posts: 47
#4

Re: Earth Resistance

06/01/2010 10:25 AM

this is related to the erection of electrode the better value is less then 1 ohm,

there is no standard value in the earth electrode, depanse upon the site condition
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