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  • Shielding Analysis of Coaxial High Frequency Transformers used for Electric Vehicle On-Board Charging Systems

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    82323_1.pdf (130.1Kb)
    Author(s)
    Water, Wayne
    Lu, Junwei
    Stegen, Sascha
    Griffith University Author(s)
    Lu, Junwei
    Water, Wayne
    Stegen, Sascha
    Year published
    2012
    Metadata
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    Abstract
    Electric Vehicle (EV) charging can only be conducted at specific places as of the dependence on the charging facilities. External charging facilities are usually bulky and expensive due to the use of low frequency modulation technique. For this reason, EV on-board charging system becomes a popular concept in nowadays due the improvement of high frequency (HF) power electronics [1]. The EV's on-board charging system requires high power density and a HF transformer to fulfill the design requirements of a light-weight, compact, and high power density [2]. This paper introduces a High Frequency Coaxial Transformer (HFCT) with a ...
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    Electric Vehicle (EV) charging can only be conducted at specific places as of the dependence on the charging facilities. External charging facilities are usually bulky and expensive due to the use of low frequency modulation technique. For this reason, EV on-board charging system becomes a popular concept in nowadays due the improvement of high frequency (HF) power electronics [1]. The EV's on-board charging system requires high power density and a HF transformer to fulfill the design requirements of a light-weight, compact, and high power density [2]. This paper introduces a High Frequency Coaxial Transformer (HFCT) with a power efficiency of >99.5% and operates with a frequency of 100 kHz. The power rating of the HFCT can be easily scaled from 2.5 to 20 kW. The electromagnetic interferences are growing by the increased operating frequency, so that an inserted copper Faraday shield is used to deal with this issue. A shielding analysis, with focus on the insertion losses, is undertaken by utilizing Finite Element Method (FEM) based numerical techniques [3-5]
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    Conference Title
    JOINT MMM/Intermag Conference
    Publisher URI
    https://ieeexplore.ieee.org/document/6559291
    Copyright Statement
    © 2012 AIP Publishing LLC. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing.This is an electronic version of an article appeared in the abstract books of Joint MMM/Intermag Conference and may be found at http://www.magnetism.org/
    Subject
    Electrical and Electronic Engineering not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/50767
    Collection
    • Conference outputs

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