DCDC Choosing for Electric Vehicle Wireless Power Transfer System

被引：0
|
作者：
Wang Yi [1 ]
Yang Zhongping [1 ]
Lin Fei [1 ]
Chen Yaoyu [1 ]
Geng Yuyu [2 ]
Wang Haowen [3 ]
机构：
[1] Beijing Jiaotong Univ, Sch Elect Engn, Beijing, Peoples R China
[2] Chongqing Univ Technol, Sch Elect & Elect Engn, Chongqing, Peoples R China
[3] Yangtze Normal Univ, Sch Robot Engn, Chongqing, Peoples R China
来源：
2020 IEEE PELS WORKSHOP ON EMERGING TECHNOLOGIES: WIRELESS POWER TRANSFER (WOW) | 2020年
关键词：
wireless power transfer; harmonic; DCDC; optimization;
D O I：
10.1109/wow47795.2020.9291332
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this paper, the influence of secondary DCDC converter on wireless power system are compared and analyzed. The harmonic content of the inverter output current is firstly analyzed in detail and expressed by mathematics formula. Then, combined with the system's restrictions on the quality factor of the load, the system's requirements for mutual inductance and the secondary coil self-inductance are derived. Through a design example of a 7.7kW wireless charger for electric vehicles, the limitations of the coupling mechanism when different types of DCDC converters are used are compared. Finally, the comparison of the utilization of the litz wire and the ferrite shows that the boost converter is more suitable for this 7.7kW wireless charger.
引用
收藏
页码：260 / 263
页数：4
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