Performance evaluation of aeronautical cables in semi-coaxial geometries: A novel test approach

Mavidou, Sofia P. ORCID: https://orcid.org/0000-0001-8049-7392, Clark, David ORCID: https://orcid.org/0000-0002-1090-2361, Michelarakis, Michail ORCID: https://orcid.org/0000-0003-2862-4539, Stone, Christopher and Haddad, A. Manu ORCID: https://orcid.org/0000-0003-4153-6146 2025. Performance evaluation of aeronautical cables in semi-coaxial geometries: A novel test approach. IEEE Transactions on Dielectrics and Electrical Insulation 32 (1) , pp. 63-72. 10.1109/tdei.2025.3526091

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Abstract

This study examines the Partial Discharge (PD) performance of aircraft cables using a specially designed test electrode. Electrode positioning was precisely controlled within an atmospheric chamber to replicate coaxial geometries. Long exposure imaging reveals useful insights that enhance our understanding of PD behaviour at varying atmospheric pressure. The research compares the experimental data with existing mathematical models based on the Paschen and Halleck equations revealing notable inconsistencies, particularly at higher pressures. This work contributes valuable insights into the complexities of PD phenomena in aircraft cables and proposes a new model by enhancing an existing predictive model and incorporating the influence of an insulation barrier.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Engineering
Additional Information:	License information from Publisher: LICENSE 1: URL: https://ieeexplore.ieee.org/Xplorehelp/downloads/license-information/IEEE.html, Start Date: 2025-01-01
Publisher:	Institute of Electrical and Electronics Engineers
ISSN:	1070-9878
Funders:	Engineering and Physical Sciences Research Council
Date of First Compliant Deposit:	22 January 2025
Date of Acceptance:	2 January 2025
Last Modified:	10 Mar 2025 14:30
URI:	https://orca.cardiff.ac.uk/id/eprint/175413

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