Comprehensive Analysis of Nanocrystalline Ribbon Cores in High-Power-Density Wireless Power Transfer Pads for Electric Vehicles

Wenting Zhang; Qingxin Yang; Yongjian Li; Zhiwei Lin; Ming Yang; Mingfa Mi

doi:10.1109/TMAG.2021.3092173

Comprehensive Analysis of Nanocrystalline Ribbon Cores in High-Power-Density Wireless Power Transfer Pads for Electric Vehicles

Wenting Zhang
, Qingxin Yang
, Yongjian Li^*
, Zhiwei Lin
, Ming Yang
, Mingfa Mi

^*Corresponding author for this work

Hebei University of Technology

Research output: Contribution to journal › Article › peer-review

49 Scopus citations

Abstract

The nanocrystalline alloys are gradually used as shielding materials in wireless power transfer (WPT) systems with the development of high power density. In this article, the system properties of WPT using ferrite and four types of nanocrystalline cores are simulated by 3-D finite element analysis (FEA). Based on this, a novel shielding pad composed of nanocrystalline alloy and ferrite is designed to improve the WPT system properties. The WPT systems are preliminarily compared with 3-D FEA when the different nanocrystalline alloys are used in the novel shielding pad. The experimental WPT system for 85 kHz and 1.5 kW with a 24 cm air gap between the primary and secondary coils is built to validate the simulation. The results show that significantly greater shielding can be realized for the novel pad at the price of a slight decrease of transmission efficiency than conventional ferrite core.

Original language	English
Journal	IEEE Transactions on Magnetics
Volume	58
Issue number	2
DOIs	https://doi.org/10.1109/TMAG.2021.3092173
State	Published - 1 Feb 2022
Externally published	Yes

Keywords

Electric vehicles (EVs)
high power density
nanocrystalline ribbon cores
wireless power transfer (WPT)

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10.1109/TMAG.2021.3092173

Cite this

@article{934163b08c93405ba20835f3bd6350e6,

title = "Comprehensive Analysis of Nanocrystalline Ribbon Cores in High-Power-Density Wireless Power Transfer Pads for Electric Vehicles",

abstract = "The nanocrystalline alloys are gradually used as shielding materials in wireless power transfer (WPT) systems with the development of high power density. In this article, the system properties of WPT using ferrite and four types of nanocrystalline cores are simulated by 3-D finite element analysis (FEA). Based on this, a novel shielding pad composed of nanocrystalline alloy and ferrite is designed to improve the WPT system properties. The WPT systems are preliminarily compared with 3-D FEA when the different nanocrystalline alloys are used in the novel shielding pad. The experimental WPT system for 85 kHz and 1.5 kW with a 24 cm air gap between the primary and secondary coils is built to validate the simulation. The results show that significantly greater shielding can be realized for the novel pad at the price of a slight decrease of transmission efficiency than conventional ferrite core.",

keywords = "Electric vehicles (EVs), high power density, nanocrystalline ribbon cores, wireless power transfer (WPT)",

author = "Wenting Zhang and Qingxin Yang and Yongjian Li and Zhiwei Lin and Ming Yang and Mingfa Mi",

note = "Publisher Copyright: {\textcopyright} 1965-2012 IEEE.",

year = "2022",

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doi = "10.1109/TMAG.2021.3092173",

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journal = "IEEE Transactions on Magnetics",

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T1 - Comprehensive Analysis of Nanocrystalline Ribbon Cores in High-Power-Density Wireless Power Transfer Pads for Electric Vehicles

AU - Zhang, Wenting

AU - Yang, Qingxin

AU - Li, Yongjian

AU - Lin, Zhiwei

AU - Yang, Ming

AU - Mi, Mingfa

PY - 2022/2/1

Y1 - 2022/2/1

N2 - The nanocrystalline alloys are gradually used as shielding materials in wireless power transfer (WPT) systems with the development of high power density. In this article, the system properties of WPT using ferrite and four types of nanocrystalline cores are simulated by 3-D finite element analysis (FEA). Based on this, a novel shielding pad composed of nanocrystalline alloy and ferrite is designed to improve the WPT system properties. The WPT systems are preliminarily compared with 3-D FEA when the different nanocrystalline alloys are used in the novel shielding pad. The experimental WPT system for 85 kHz and 1.5 kW with a 24 cm air gap between the primary and secondary coils is built to validate the simulation. The results show that significantly greater shielding can be realized for the novel pad at the price of a slight decrease of transmission efficiency than conventional ferrite core.

AB - The nanocrystalline alloys are gradually used as shielding materials in wireless power transfer (WPT) systems with the development of high power density. In this article, the system properties of WPT using ferrite and four types of nanocrystalline cores are simulated by 3-D finite element analysis (FEA). Based on this, a novel shielding pad composed of nanocrystalline alloy and ferrite is designed to improve the WPT system properties. The WPT systems are preliminarily compared with 3-D FEA when the different nanocrystalline alloys are used in the novel shielding pad. The experimental WPT system for 85 kHz and 1.5 kW with a 24 cm air gap between the primary and secondary coils is built to validate the simulation. The results show that significantly greater shielding can be realized for the novel pad at the price of a slight decrease of transmission efficiency than conventional ferrite core.

KW - Electric vehicles (EVs)

KW - high power density

KW - nanocrystalline ribbon cores

KW - wireless power transfer (WPT)

UR - https://www.scopus.com/pages/publications/85112462054

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DO - 10.1109/TMAG.2021.3092173

M3 - 文章

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SN - 0018-9464

VL - 58

JO - IEEE Transactions on Magnetics

JF - IEEE Transactions on Magnetics

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ER -

Comprehensive Analysis of Nanocrystalline Ribbon Cores in High-Power-Density Wireless Power Transfer Pads for Electric Vehicles

Abstract

Keywords

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