Magnetizer Optimization of DD Type Coils for EV Wireless Charging System

被引：2
作者：
Chen, Xiangxiu [1 ]
Lu, Wenzhou [1 ]
Dong, Yifan [1 ]
Jiang, Hongjie [1 ]
机构：
[1] Jiangnan Univ, Sch Internet Things Engn, Key Lab Adv Proc Control Light Ind, Minist Educ, Wuxi 214122, Jiangsu, Peoples R China
来源：
2019 22ND INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS 2019) | 2019年
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
electric vehicles; DD coils; magnetizer; optimization; wireless charging; DESIGN; COUPLER;
D O I：
10.1109/icems.2019.8921529
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In order to increase the mutual coefficient between wireless charging coils of electric vehicles (EVs) and to improve the charging efficiency, the effect of magnetizer in wireless charging system is analyzed by using the circuit theory. Based on double D (DD) coils, flat-type magnetizer structure is simulated and optimized by using the three-dimensional finite -element analysis tool ANSYS MAXWELL. A new type of H-type magnetizer structure is proposed in this paper. And the magnetic flux density distribution diagrams on the surfaces of flat-type magnetizer and H-type magnetizer at horizontal offsets of 0 mm, 100 mm and 200 mm are obtained and compared. Simulation results show that: H-type magnetizer has better performance in the mutual coefficient and coupling intensity and can reduce volume by 40%, compared with flat-type magnetizer.
引用
收藏
页码：1106 / 1109
页数：4
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