3. Factors affecting ampacity
The actual thermal equilibrium conditions depend on the way heat is released, as well as on the reciprocal influence of the bars on each other. They are therefore different from those considered in paragraph 2.1 .
Heat is dissipated by conduction, convection and radiation.
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Conduction takes place only at the ends of the bars, more particularly at the switchgear connections. In reality,...
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Factors affecting ampacity
Mechanical strength of busbars
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References
Copper rods
- (1) - Barres omnibus en cuivre (+ erratum 1970) - Centre d'information du cuivre, laiton, alliages (adapté de « Copper busbars » de la Copper Development Association).
Aluminum bars
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