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A delay‐rational model of electromagnetic interference on multiconductor transmission lines
Dipartimento di Ingegneria Industriale e dell'Informazione e di Economi, Università degli Studi dell'Aquila.
Dipartimento di Ingegneria Industriale e dell'Informazione e di Economi, Università degli Studi dell'Aquila.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.ORCID iD: 0000-0003-0015-0431
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.ORCID iD: 0000-0003-4160-214X
2018 (English)In: International journal of numerical modelling, ISSN 0894-3370, E-ISSN 1099-1204Article in journal (Refereed) Epub ahead of print
Abstract [en]

Multiconductor transmission lines have found a wide range of applications, as power lines, as high‐speed interconnects, and as on‐chip interconnects. Electromagnetic interference (EMI) can be described in terms of plane waves that couple to these lines, leading to unwanted disturbance. This paper presents a delayed spectral formulation for the analysis of plane‐wave coupling to multiconductor transmission lines in both the frequency and time domains, called the DeRaG‐EMI model (short for “delay‐rational model based on Green's functions for electromagnetic interference”). The model is based on Green's functions and is described in terms of delayed differential equations in the time domain. The model is suitable for studying the EMI on multiconductor transmission lines in the case of incident fields. The coupling of a plane wave to a line is described in terms of equivalent sources that account for both the delay of the line and the delays of the incoming plane wave. The delay is explicitly extracted and incorporated into the model with hyperbolic functions. The DeRaG‐EMI model does not require any segmentation of the line. Numerical results confirm its accuracy and its improved performance compared with the previous spectral model and with the inverse fast Fourier transform technique.

Place, publisher, year, edition, pages
John Wiley & Sons, 2018.
National Category
Engineering and Technology Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Industrial Electronics
Identifiers
URN: urn:nbn:se:ltu:diva-67878DOI: 10.1002/jnm.2342OAI: oai:DiVA.org:ltu-67878DiVA, id: diva2:1188508
Available from: 2018-03-07 Created: 2018-03-07 Last updated: 2018-05-21

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