Hybrid approach for modeling transient EM fields generated by large earthing systems

A new hybrid approach is adopted in this paper for modeling the transient electromagnetic fields radiated by grounding systems under lightning strokes. This approach is based on electrical dipole theory for determining EM fields’ radiation in infinite conductive medium, modified images theory, takin...

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Bibliographic Details
Published in:Annales des télécommunications 2009-06, Vol.64 (5-6), p.349-357
Main Authors: Lefouili, Moussa, Kerroum, Kamel, El Khamlichi Drissi, Khalil
Format: Article
Language:English
Subjects:
Applied classical electromagnetism
Applied sciences
Circuits
Communications Engineering
Computer Communication Networks
Connection and protection apparatus
Electrical engineering. Electrical power engineering
Electromagnetic wave propagation, radiowave propagation
Electromagnetism
electron and ion optics
Engineering
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Information and Communication
Information Systems and Communication Service
Networks
Physics
R & D/Technology Policy
Signal,Image and Speech Processing
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Description
Summary:A new hybrid approach is adopted in this paper for modeling the transient electromagnetic fields radiated by grounding systems under lightning strokes. This approach is based on electrical dipole theory for determining EM fields’ radiation in infinite conductive medium, modified images theory, taking into account the interface in the half space and transmission line approach for determining the longitudinal and leakage currents. This model can be used to predict the transient characteristic of grounding systems because it can calculate electromagnetic field in any point of interest; it is sufficiently accurate, time efficient, and easy to apply.
ISSN:0003-4347
1958-9395
DOI:10.1007/s12243-008-0076-8