Orthogonal-Frequency Simultaneous Wireless Power and Data Transfer for High-Power Wireless EV Charging

被引：1
|
作者：
Liu, Chengyin [1 ]
Zhang, Yi [1 ]
Chen, Hao [1 ]
Wu, Jiande [1 ]
He, Xiangning [1 ]
机构：
[1] Zhejiang Univ, Coll Elect Engn, Hangzhou 310027, Peoples R China
来源：
ENERGIES | 2024年 / 17卷 / 08期
基金：
中国国家自然科学基金;
关键词：
orthogonal frequency (OF); simultaneous wireless power and data transmission (SWPDT); full-duplex communication; wireless electric vehicle charging (WEVC); DATA TRANSFER SYSTEM;
D O I：
10.3390/en17081851
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 a simultaneous wireless power and data transfer (SWPDT) system using common coils, achieving high-speed communication in high-power wireless charging systems is challenging due to power transfer interference on communication. Based on high-frequency data carrier-based SWPDT (HFDC-SWPDT) technology, this paper proposes an orthogonal-frequency simultaneous wireless power and data transfer (OF-SWPDT) method to minimize interference where the data carrier frequency is orthogonal to the power carrier frequency and its harmonics. In addition, a guard band is inserted between the spectra of power harmonics and data in order to further separate the power and data spectra. Thus, a high-power, high-speed SWPDT system is achieved. Finally, an 11 kW prototype with 64.125 kbps full-duplex communication is developed to validate the proposed method.
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收藏
页数：18
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