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dg1961
Active Contributor

Join Date: Feb 2010
Posts: 16

Electrical Engineering

02/04/2010 9:40 AM

How to Calculate Earth Electrode Size & number of Earth Pits in a 350 KW load Proposed Plant including Electronic Earthing.
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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
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Good Answers: 839
#1

Re: Electrical Engineering

02/04/2010 9:43 AM

→ British Standard 7671.

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redfred
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Engineering Fields - Electrical Engineering - Been there, done that. Engineering Fields - Control Engineering - New Member

Join Date: Dec 2008
Location: Long Island NY
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Good Answers: 982
#2

Re: Electrical Engineering

02/04/2010 10:47 AM

There is no calculation!! This is empirically derived design found to be effective over time. The appropriate design found then establishes the local code.

Consult the local code standards with an authorized engineer. If your location does not have an electric code standard, then choose one of them.

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Anonymous Poster
#3

Re: Electrical Engineering

02/05/2010 2:01 AM

In Hungary, i.e. system ISO, there is no calculation, but mesurement on site. Resistence of the electrode and conductiblity of the soil is to be considered. go up on your local WEB page of the electric normes and usage to find the right ansver for you. Bela
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electricalexpert65
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Join Date: Oct 2009
Posts: 2061
Good Answers: 169
#4

Re: Electrical Engineering

02/06/2010 9:39 AM

Send me your mail ID thro this forum's mailbox. I will send you a sample calculation.
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dg1961
Active Contributor

Join Date: Feb 2010
Posts: 16
#5
In reply to #4

Re: Electrical Engineering

02/06/2010 11:16 AM

My Email ID is dg1961@gmail.com
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dg1961
Active Contributor

Join Date: Feb 2010
Posts: 16
#6
In reply to #4

Re: Electrical Engineering

02/07/2010 4:46 AM

Send me your mail ID thro this forum's mailbox. I will send you a sample calculation.

In reply to the above , Please send me the Earthing Calculation to my email ID

dg1961@gmail.com
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Anonymous Poster (1); dg1961 (2); electricalexpert65 (1); PWSlack (1); redfred (1)

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