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Hirenparmar
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Join Date: Mar 2010
Posts: 1

Current Carrying Capacity of Aluminum or Copper Busbars at Specific Fault Levels

03/23/2010 2:53 AM

How to calculate current carrying capacity of Aluminum or copper busbar at specific fault level for busduct or panel.
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Anonymous Poster
#1

Re: current carriying capacity of aluminum or cpper busbar at specific fault level

03/23/2010 3:59 AM

http://cr4.globalspec.com/search/sitesearch?do=show&sort=textmatchrank&srch=busbar%20sizing&order=asc
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Tornado
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Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

Join Date: May 2009
Location: Richland, WA, USA
Posts: 21017
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#2

Re: current carriying capacity of aluminum or cpper busbar at specific fault level

03/23/2010 4:07 AM

Another possibility:

http://www.copperinfo.co.uk/busbars/pub22-copper-for-busbars/sec3.htm

Full calculations may be complex, but a really rough "rule of thumb" seems to be 2A/mm2 (1290A/in2). Flat or hollow shapes have the best heat dissipation.

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