无线电能传输磁耦合机构磁心解析模型与设计方法

Abstract
Figure/Table
References
Related Citation (8)

Download: PDF (5798 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract In this paper, the influence of the thickness of the ferrite core on the inductance of the magnetic coupler with a flat core is studied, and an analytical model of the influence of the thickness of the ferrite core on the inductance is established. Based on the equivalent magnetic circuit division and magnetoresistance calculation of the authors’ team in the previous research, this paper gives the calculation formula of the ferrite core magnetic resistance. The magnetic circuit of the resistance is obtained, and the analytical model of the thickness of the ferrite core on the inductance is obtained. Combined with the coil current, the critical saturation thickness of the ferrite core is calculated, and the design lower limit of the ferrite core thickness is given. The finite element simulation is used for verification, and the model proposed in this paper is in good agreement with the finite element simulation results. According to the model combined with the dual LCC circuit topology, the optimal design is carried out. Finally, a 3.3kW wireless power transmission prototype is made, and its transmission power and efficiency meet the design requirements, which verifies the correctness and applicability of the design optimization method.

Key words： wireless power transfer magnetic coupler inductance analytical calculation LCC circuit

Received: 21 March 2022

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	CHEN Yuchen
	CHEN Kainan
	ZHENG Shuxuan
	ZHAO Zhengming

Cite this article:

CHEN Yuchen,CHEN Kainan,ZHENG Shuxuan等. Analytical model and design method of magnetic core for wireless power transfer magnetic coupler[J]. Electrical Engineering, 2022, 23(6): 83-92.

URL:

http://dqjs.cesmedia.cn/EN/Y2022/V23/I6/83

[1] 王松岑, 韩秀. 磁耦合谐振式无线充电系统双边LCC补偿网络参数设计方法研究[J]. 电气技术, 2019, 20(6): 12-16.
[2] 李阳, 石少博, 刘雪莉, 等. 磁场耦合式无线电能传输耦合机构综述[J]. 电工技术学报, 2021, 36(增刊2): 389-403.
[3] 王汉丰, 唐春森, 左志平, 等. 电动车无线供电系统多负载模式分析及导轨结构优化设计[J]. 电气技术, 2019, 20(8): 6-10.
[4] 余成波, 伍雪冰, 龙曦. 基于铁芯和铝板的屏蔽线圈结构设计与仿真[J]. 重庆理工大学学报(自然科学), 2020, 34(11): 164-170.
[5] ZENG H, LIU Z Z, CHEN H X, et al.Optimization of unipolar magnetic couplers for EV wireless power chargers[C]//2016 Internatioanl Conference on New Energy and Future Energy System, Beijing, China, 2016.
[6] 赵修科. 开关电源中的磁性元件[M]. 沈阳: 辽宁科学技术出版社, 2014.
[7] ACERO J, CARRETERO C, LOPE I, et al.Analysis of the mutual inductance of planar-lumped inductive power transfer systems[J]. IEEE Transactions on Indu- strial Electronics, 2013, 60(1): 410-420.
[8] ACERO J, ALONSO R, BARRAGAN L A, et al.Modeling of planar spiral inductors between two multilayer media for induction heating applications[J]. IEEE Transactions on Magnetics, 2006, 42(11): 3719-3729.
[9] 夏晨阳, 孙跃, 贾娜, 等. 耦合磁共振电能传输系统磁路机构参数优化[J]. 电工技术学报, 2012, 27(11): 139-145.
[10] 李中启, 李晶, 全倡辉, 等. 无线电能传输系统带磁屏蔽任意位置矩形线圈的互感计算[J/OL]. 电工技术学报, https://doi.org/10.19595/j.cnki.1000-6753.tces. 211293.
[11] 王智慧, 胡超, 孙跃, 等. 基于输出能效特性的IPT系统磁耦合机构设计[J]. 电工技术学报, 2015, 30(19): 26-31.
[12] 杜瑞华, 雷国莉, 王凌峰, 等. 电磁感应式无线供电用软磁片研究进展[J]. 磁性材料及器件, 2020, 51(2): 58-63.
[13] 冯则坤, 王鲜, 聂彦, 等. 无线电能传输系统中的铁氧体磁性材料[J]. 磁性材料及器件, 2019, 50(2): 57-64.
[14] 贾媛媛. 谐振式无线电能传输系统磁耦合机构的分析及优化设计[D]. 北京: 北京交通大学, 2018.
[15] 胡超. 电动汽车无线供电电磁耦合机构能效特性及优化方法研究[D]. 重庆: 重庆大学, 2015.
[16] 陈雨晨, 陈凯楠, 赵争鸣, 等. 一种用于无线电能传输系统的磁耦合机构的电感计算方法: 中国, CN202110974271.7[P].2021-12-14.
[17] 陈凯楠, 赵争鸣, 刘方, 等. 电动汽车双向无线充电系统谐振拓扑分析[J]. 电力系统自动化, 2017, 41(2): 66-72.
[18] ZENG Hao, LIU Zhizhen, HOU Yanjin, et al.Optimi- zation of magnetic core structure for wireless charging coupler[J]. IEEE Transactions on Magnetics, 2017, 53(6): 1-4.