Working Paper Article Version 1 This version is not peer-reviewed

Chassis Influence on the Exposure Assessment of a Compact EV during WPT Recharging Operations

Version 1 : Received: 9 January 2021 / Approved: 11 January 2021 / Online: 11 January 2021 (15:55:44 CET)

A peer-reviewed article of this Preprint also exists.

De Santis, V.; Giaccone, L.; Freschi, F. Chassis Influence on the Exposure Assessment of a Compact EV during WPT Recharging Operations. Magnetochemistry 2021, 7, 25. De Santis, V.; Giaccone, L.; Freschi, F. Chassis Influence on the Exposure Assessment of a Compact EV during WPT Recharging Operations. Magnetochemistry 2021, 7, 25.

Journal reference: Magnetochemistry 2021, 7, 25
DOI: 10.3390/magnetochemistry7020025

Abstract

In this study, the external magnetic field emitted by a wireless power transfer (WPT) system and the internal electric field induced into human body models during recharging operations of a compact electric vehicle (EV) are evaluated. To this aim an ad-hoc formulation for the source modeling is coupled with a commercial software that performs numerical dosimetry. Specifically, two realistic anatomical models both in a driving position and in a standing posture are considered, and the chassis of the EV is modeled either as a currently employed aluminum alloys and as a futuristic carbon fiber composite panel. Aligned and misaligned coil configurations of the WPT system are considered as well. The analysis of the obtained results shows that the ICNIRP reference levels are exceeded in the driving position, especially for the carbon fiber chassis, whereas no exceedance is observed in terms of basic restrictions, at least for the considered scenarios.

Subject Areas

Computational electromagnetics; Electric Vehicle; EMF safety; low frequency dosimetry; Wireless Power Transfer

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