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Novel conductor design to increase the thermal rating of overhead lines


J.C. del-Pino-López, D. Garrido-García, P. Cruz-Romero, A. Gómez-Expósito

2016/5/20

Abstract

In this paper the performance of existing and noveldesigns of overhead bare conductors with regard to their capacity to evacuate the heat generated by ohmic losses is compared. The
effect of both the diameter of strands and the external shape of the conductor on the convective heat transfer capacity are evaluated with a finite element method commercial software for an ACSR conductor with different diameter strands, wind velocities and conductor current, resulting in a design that improves the customary design by around a 7 % of thermal rating.

Published in: Renewable Energy & Power Quality Journal (RE&PQJ),Vol. 1, Nº. 14
Pages:973-978 Date of Publication: 2016/5/20
ISSN: 2172-038X Date of Current Version:2016/5/4
REF:540-16 Issue Date: May 2016
DOI:10.24084/repqj14.540 Publisher: EA4EPQ

Authors and affiliations

J.C. del-Pino-López, D. Garrido-García, P. Cruz-Romero, A. Gómez-Expósito
Department of Electrical Engineering. Escuela Técnica Superior de Ingeniería, Universidad de Sevilla. Spain

Key words

Overhead conductor, ampacity, temperature, forced convection, radiation.

References

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