Nonlocal impedance boundary conditions in modeling WPT coils for all frequencies

Badics, Zsolt and Bilicz, Sándor and Gyimóthy, Szabolcs and Pávó, József (2019) Nonlocal impedance boundary conditions in modeling WPT coils for all frequencies. INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS, 59 (1). pp. 9-18. ISSN 1383-5416

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A nonlocal generalization of the IBC (impedance boundary condition) concept is introduced in this work for modeling the coil wires in resonant WPT (wireless power transfer) links. Such NLIBCs (nonlocal IBCs) can accurately account for the skin and proximity effects in the wires for all frequencies relevant to resonant WPT systems and can be utilized in both finite-element and surface-integral equation numerical frameworks. The NLIBCs have run-time performance close to that of the IBC because the NLIBCs take advantage of the quasi-2D nature of the electromagnetic field inside the wires. The results for a typical WPT configuration illustrate the performance.

Item Type: Article
Subjects: T Technology / alkalmazott, műszaki tudományok > TK Electrical engineering. Electronics Nuclear engineering / elektrotechnika, elektronika, atomtechnika
Depositing User: Dr. Sándor Bilicz
Date Deposited: 23 Sep 2019 15:49
Last Modified: 23 Sep 2019 15:49

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