SAR Evaluation for an Inductive Wireless Low Power Charger by a Worst-Case Approach

This paper presents Specific Absorption Rate (SAR) calculations by electromagnetic simulations (EM). A worst-case analysis is proposed to evaluate the compliance of Wireless Power Chargers (WPC) installed within a vehicle with the existing recommendations of exposure levels to Electro Magnetic Field...

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Bibliographic Details
Published in:	2021 15th European Conference on Antennas and Propagation (EuCAP) pp. 1 - 5
Main Authors:	Siguier, Gregory, Ramos, Juvenal Alarcon, Aloui, Brahim, Vigneau, Guillaume, Bouguern, Said
Format:	Conference Proceeding
Language:	English
Published:	EurAAP 22-03-2021
Subjects:	coils electromagnetic simulation Europe FCC Magnetic fields magneto-quasi static phantom Phantoms Radio frequency Radio homologation RF exposure SAR Specific absorption rate Wireless communication WPC
Online Access:	Get full text
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Summary:	This paper presents Specific Absorption Rate (SAR) calculations by electromagnetic simulations (EM). A worst-case analysis is proposed to evaluate the compliance of Wireless Power Chargers (WPC) installed within a vehicle with the existing recommendations of exposure levels to Electro Magnetic Fields (EMF). This analysis is intended for low power wireless chargers (up to 15 W) operating at 127 kHz but the method could be extended to any kind of wireless power chargers. In addition, this method could be retained for assessing RF exposure compliance during the radio homologation process.
DOI:	10.23919/EuCAP51087.2021.9411470