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Anonymous Poster

Standards for Horizontal Clearance

06/30/2009 10:05 AM

what is the horizontal clearance between two phases of the bus pipes in the substation (could you refer to the IEEE or to north america standards, as I need some reference)

Thanks,
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elkangorito
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Join Date: Nov 2008
Location: S.E. Asia
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Good Answers: 1
#1

Re: 138kv horizontal clearance

06/30/2009 12:06 PM

Geez!!! I hope that you are not working on this stuff. It sounds like you are a student of some kind?

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sb
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Join Date: Mar 2007
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#2
In reply to #1

Re: 138kv horizontal clearance

06/30/2009 1:22 PM

of course who else will ask ?

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dt_ashok
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Join Date: Oct 2008
Posts: 2
#3

Re: Standards for Horizontal Clearance

07/01/2009 7:34 AM

As per My knowledge goes, in India we are practcing

for 66kV and 110kV stations - the clearence is 1.8 mtrs betn phases and 2.0mtrs betn phase and earth

for 220kV stations, 3.35 and 3.65 mtrs.

for 400kV stations 7.0mtrs betn phases and 6.5 mtrs between phase and earth.

Please Verify this with some standards.
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