Articles | Volume 18, issue 21
https://doi.org/10.5194/amt-18-5919-2025
https://doi.org/10.5194/amt-18-5919-2025
Research article
 | 
30 Oct 2025
Research article |  | 30 Oct 2025

Analysis of lightning-induced currents in supply cable shields and their impact on LLS sensor site errors

Hannes Kohlmann, Wolfgang Schulz, Farhad Rachidi, Naiara Duarte, and Dmitry Kuklin

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Cited articles

Aguet, M., Ianovici, M., and Lin, C. C.: Transient Electromagnetic Field Coupling to Long Shielded Cables, IEEE Trans. Electromagn. Compat., EMC-22, 276–282, https://doi.org/10.1109/TEMC.1980.303867, 1980. 
Bridges, G. E.: Fields Generated by Bare and Insulated Cables Buried in a Lossy Halfspace, IEEE Trans. Geosci. Remote Sens., 30, 140–146, https://doi.org/10.1109/36.124224, 1992. 
Bridges, G. E.: Transient Plane Wave Coupling to Bare and Insulated Cables Buried in a Lossy Half-Space, IEEE Trans. Electromagn. Compat., 37, 62–70, https://doi.org/10.1109/15.350240, 1995. 
Coelho, V. L., Piantini, A., Almaguer, H. A. D., Coelho, R. A., Boaventura, W. D. C., and Paulino, J. O. S.: The influence of seasonal soil moisture on the behavior of soil resistivity and power distribution grounding systems, Electr. Power Syst. Res., 118, 76–82, https://doi.org/10.1016/j.epsr.2014.07.027, 2015. 
Cooray, V., Rachidi, F., and Rubinstein, M.: Lightning Electromagnetics, Volume 1: Return stroke modelling and electromagnetic radiation, Institution of Engineering and Technology, https://doi.org/10.1049/PBPO127F, 2022. 
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Short summary
Ground-based lightning location system (LLS) networks employ LLS sensors that estimate the direction of the magnetic field vector of incident lightning electromagnetic fields. This work demonstrates how field-to-cable coupling induces currents on the LLS sensor power supply cable shield, which are responsible for spurious (scattered) magnetic fields and, thus, cause errors in the estimation of the incident angle and amplitude, called "sensor site errors".
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