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Topic Title: Earthing Conductor
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Created On: 07 March 2014 09:42 AM
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 07 March 2014 09:42 AM
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jackdaniel

Posts: 69
Joined: 29 November 2012

With reference to IEEE 80 and BS7430, there is an equation to determine the size of earthing conductor for substation grounding which is s2=i2t/k2 , This earthing conductor sizing is referred to transformer neutral ground or any other equipment?
 07 March 2014 02:51 PM
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irevans

Posts: 192
Joined: 07 March 2002

Not sure I understand what you are asking. BS 7430 defines an earthing conductor as a "protective conductor connecting the main earthing terminal of an installation to an earth electrode or to other means of earthing"; i.e. it is not a neutral conductor, which is separately defined.

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irevans
IET » Energy » Earthing Conductor

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