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External lightning protection system for wind turbine blades - power performance.

Ayub, A. S.; Siew, W. H.; Stickland, M.

Authors

A. S. Ayub

W. H. Siew

M. Stickland



Abstract

Previous studies conducted by the authors on the aerodynamic performance of turbine blades have shown unfavourable effects of externally mounted lightning down conductors. Owing to this, one could ask whether or not externally mounted lightning down conductors could linearly affect the power performance of the whole wind turbine as well. Therefore, this paper presents a study of the power performance of one wind turbine with an externally mounted lightning down conductor. An untwisted blade profile of NACA 4418 with and without external conductor was used on the full wind turbine model. Numerical simulations were carried out on turbine power output derived from Blade Element Momentum (BEM) theory. The results are compared and discussed. The preliminary results indicate that degradation in power performance may not be significant.

Citation

AYUB, A.S., SIEW, W.H. and STICKLAND, M. 2018. External lighting protection system for wind turbine blades - power performance. CIGRE science and engineering [online], 10, pages 88-94 Available from: https://e-cigre.org/publication/CSE010-cse-010

Journal Article Type Article
Acceptance Date Feb 2, 2018
Online Publication Date Feb 28, 2018
Publication Date Feb 28, 2018
Deposit Date Feb 13, 2020
Publicly Available Date Mar 28, 2024
Journal CIGRE science and engineering
Electronic ISSN 2426-1335
Publisher CIGRE
Peer Reviewed Peer Reviewed
Volume 10
Pages 88-94
Keywords Lightning down conductor; Power coefficient; Wind turbine; Wind turbine blades
Public URL https://rgu-repository.worktribe.com/output/844495
Publisher URL https://e-cigre.org/publication/CSE010-cse-010

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