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Electronics
Special Issues
Magnetic Shielding for Electromagnetic Compatibility Applications
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Magnetic Shielding for Electromagnetic Compatibility Applications

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Industrial Electronics".

Deadline for manuscript submissions: 31 May 2024 | Viewed by 1963

Special Issue Editors

Dr. Gang Zhang

E-Mail Website
Guest Editor
School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China
Interests: uncertainty analysis of electromagnetic compatibility; the validation of computational electromagnetics (CEM)
Special Issues, Collections and Topics in MDPI journals
Dr. Alistair Duffy

E-Mail Website
Guest Editor
School of Engineering and Sustainable Development, De Montfort University, The Gateway, Leicester LE1 9BH, UK
Interests: electromagnetics; electromagnetic compatibility; numerical modelling; measurement techniques; validation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Electromagnetic shielding at lower frequencies frequently concentrates on the magnetic field.

Applications for shielding include:

  • Space exploration, where spacecraft systems and sensors need to be shielded from significant fields in a harsh environment.
  • Medical equipment isolation, where sensor systems need high levels of magnetic shielding or other systems need to be protected from high field measurement equipment.
  • Human exposure protection; given the rise in electric and “more electric” vehicles and higher levels of wireless power charging, high currents are being transported close to humans, potentially increasing low frequency exposure.
  • Isolation of electrical transformers and switchgear.

There are many research fronts, including:

  • Optimization of shield designs (including weight reduction).
  • Novel materials and material characterization (including metamaterial research).
  • Active magnetic shielding.
  • Application assessments and performance verification.
  • Measurement techniques.
  • Lifecycle assessment.

The objective of this Special Issue is to collate leading research on the subject to act as a reference for emerging applications and further contemporary research.

Hence, we are seeking papers related (but not limited) to these research fronts and applications. Original research articles and reviews are welcome.

We look forward to receiving your contributions.

You may choose our Joint Special Issue in Magnetism.

Dr. Gang Zhang
Dr. Alistair Duffy
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Electronics is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • electromagnetic compatibility
  • magnetic shielding
  • low-frequency magnetic field

Published Papers (2 papers)

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Research

20 pages, 14876 KiB  
Article
A Study on EMI Noise Countermeasure Design of a Dishwasher
by Soongkeun Lee, Changdae Joo and Taekue Kim
Electronics 2024, 13(1), 94; https://doi.org/10.3390/electronics13010094 - 25 Dec 2023
Viewed by 829
Abstract
In this paper, we introduce and propose a design strategy implemented to mitigate electromagnetic interface (EMI) issues arising from the switching circuitry of dishwashers, encompassing components such as inverters and switched-mode power supplies (SMPSs). The focus lies on addressing conducted emissions (CEs) by [...] Read more.
In this paper, we introduce and propose a design strategy implemented to mitigate electromagnetic interface (EMI) issues arising from the switching circuitry of dishwashers, encompassing components such as inverters and switched-mode power supplies (SMPSs). The focus lies on addressing conducted emissions (CEs) by analyzing the impedance of the load and core characteristics at the current level to implement enhancements. Additionally, we describe the incorporation of a common mode (CM) core attachment design aimed at the resonance frequency of the motor, effectively blocking noise generated by this resonant frequency and thereby enhancing radiated power (RP). Also, we discuss the modeling of noise filters and the overall system, comparing impedance characteristics, and validating the effectiveness of the proposed improvements through standardized tests. Furthermore, practical application to mass-produced products is demonstrated by eliminating internal harness cores and designing noise filters to reduce their size, all within the context of dishwasher EMI countermeasures. Full article
(This article belongs to the Special Issue Magnetic Shielding for Electromagnetic Compatibility Applications)
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16 pages, 8573 KiB  
Article
Evaluation of Electromagnetic Exposure of the Human with a Coronary Stent Implant from an Electric Vehicle Wireless Power Transfer Device
by Tianhao Wang, Bo Li, Kaifeng Zhao, Quanyi Yu, Linlin Xu, Yaodan Chi and Shanshan Guan
Electronics 2023, 12(20), 4231; https://doi.org/10.3390/electronics12204231 - 13 Oct 2023
Viewed by 813
Abstract
The aim of this paper is to analyze in depth the coupling between leakage electromagnetic fields (EMFs) generated by an electric vehicle wireless power transfer (EV-WPT) device under misaligned operating conditions and metallic coronary stents, which could be potentially hazardous to human electromagnetic [...] Read more.
The aim of this paper is to analyze in depth the coupling between leakage electromagnetic fields (EMFs) generated by an electric vehicle wireless power transfer (EV-WPT) device under misaligned operating conditions and metallic coronary stents, which could be potentially hazardous to human electromagnetic safety. In this paper, we established that a standing human with a coronary stent implant and a sitting human with a coronary stent implant are exposed to the leaked EMFs of an EV-WPT device with a transmission power of 11 kW and 22 kW and a transmission frequency of 85 kHz, and we quantified the induced E-field strength of the human body by considering the x- and z-axis misalignment ranges of the WPT device as [−75 mm, 75 mm]. The results showed that the enhancement of the induced E-field in the human tissues near the sharp edges of the implant is significant. Meanwhile, the larger the WPT device misalignment generated, the higher the transmission power, and the closer the human body is to the WPT device, the larger the induced E-fieldmax value of the human body is, which has the possibility of exceeding the ICNIRP safety limit, and there is a potential human body electromagnetic safety problem. Full article
(This article belongs to the Special Issue Magnetic Shielding for Electromagnetic Compatibility Applications)
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