Design of High-Power High-Efficiency Wireless Charging Coils for EVs with MnZn Ferrite Bricks

In wireless power transmission systems, the inductance, equivalent resistance, and quality factors of the coils are the main factors that influence the system’s transmission efficiency. When designing high-power wireless charging coils for electric vehicles (EVs), ferrite bricks that increase magnet...

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Autores principales:	Yuyu Zhu, Zuming Wang, Xin Cao, Li Wu
Formato:	article
Lenguaje:	EN
Publicado:	Hindawi Limited 2021
Materias:	Technology (General) T1-995
Acceso en línea:	https://doaj.org/article/c3d0ee382fba4445938348089d38f169
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spelling	oai:doaj.org-article:c3d0ee382fba4445938348089d38f1692021-11-08T02:37:26ZDesign of High-Power High-Efficiency Wireless Charging Coils for EVs with MnZn Ferrite Bricks1687-726810.1155/2021/9931144https://doaj.org/article/c3d0ee382fba4445938348089d38f1692021-01-01T00:00:00Zhttp://dx.doi.org/10.1155/2021/9931144https://doaj.org/toc/1687-7268In wireless power transmission systems, the inductance, equivalent resistance, and quality factors of the coils are the main factors that influence the system’s transmission efficiency. When designing high-power wireless charging coils for electric vehicles (EVs), ferrite bricks that increase magnetic flux can be selected to increase the self-inductance of the coils, improving the wireless transmission distance and transmission efficiency. In this paper, the effects of the ferrite bricks, the size of the coils, the charging distance, and many other factors in real applications have been extensively studied. After theoretical analysis and simulation, the wireless transmission system has been fabricated and measured. The measured and simulated results are in good agreement. High-power high-efficiency wireless power transmission has been achieved for EVs compared with many other previous literatures.Yuyu ZhuZuming WangXin CaoLi WuHindawi LimitedarticleTechnology (General)T1-995ENJournal of Sensors, Vol 2021 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Technology (General) T1-995
spellingShingle	Technology (General) T1-995 Yuyu Zhu Zuming Wang Xin Cao Li Wu Design of High-Power High-Efficiency Wireless Charging Coils for EVs with MnZn Ferrite Bricks
description	In wireless power transmission systems, the inductance, equivalent resistance, and quality factors of the coils are the main factors that influence the system’s transmission efficiency. When designing high-power wireless charging coils for electric vehicles (EVs), ferrite bricks that increase magnetic flux can be selected to increase the self-inductance of the coils, improving the wireless transmission distance and transmission efficiency. In this paper, the effects of the ferrite bricks, the size of the coils, the charging distance, and many other factors in real applications have been extensively studied. After theoretical analysis and simulation, the wireless transmission system has been fabricated and measured. The measured and simulated results are in good agreement. High-power high-efficiency wireless power transmission has been achieved for EVs compared with many other previous literatures.
format	article
author	Yuyu Zhu Zuming Wang Xin Cao Li Wu
author_facet	Yuyu Zhu Zuming Wang Xin Cao Li Wu
author_sort	Yuyu Zhu
title	Design of High-Power High-Efficiency Wireless Charging Coils for EVs with MnZn Ferrite Bricks
title_short	Design of High-Power High-Efficiency Wireless Charging Coils for EVs with MnZn Ferrite Bricks
title_full	Design of High-Power High-Efficiency Wireless Charging Coils for EVs with MnZn Ferrite Bricks
title_fullStr	Design of High-Power High-Efficiency Wireless Charging Coils for EVs with MnZn Ferrite Bricks
title_full_unstemmed	Design of High-Power High-Efficiency Wireless Charging Coils for EVs with MnZn Ferrite Bricks
title_sort	design of high-power high-efficiency wireless charging coils for evs with mnzn ferrite bricks
publisher	Hindawi Limited
publishDate	2021
url	https://doaj.org/article/c3d0ee382fba4445938348089d38f169
work_keys_str_mv	AT yuyuzhu designofhighpowerhighefficiencywirelesschargingcoilsforevswithmnznferritebricks AT zumingwang designofhighpowerhighefficiencywirelesschargingcoilsforevswithmnznferritebricks AT xincao designofhighpowerhighefficiencywirelesschargingcoilsforevswithmnznferritebricks AT liwu designofhighpowerhighefficiencywirelesschargingcoilsforevswithmnznferritebricks
_version_	1718443038026498048

Design of High-Power High-Efficiency Wireless Charging Coils for EVs with MnZn Ferrite Bricks

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