Electrical sizing
Overhead lines - Sizing
Article REF: D4421 V2
Electrical sizing
Overhead lines - Sizing

Author : André CHANAL

Publication date: February 10, 2000 | Lire en français

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2. Electrical sizing

2.1 Conductor heating. Permissible currents

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2.1.1 Maximum admissible currents. Definition

An overhead line is built to carry electrical power, and is dimensioned according to the current intensities permitted in its conductors. Conductors heat up mainly by the Joule effect and cool down by convection (cf.

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