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Design and Experimentation of WPT Charger for Electric City Car

【摘要】Wireless power transfer systems (WPTSs) with inductive coupling are advantageously used to charge the battery pack of electric vehicles. They basically consist of coil coupling, power supply circuitry connected to the transmitting side of the coil coupling, and power-conditioning circuitry connected to the receiving side of the coil coupling. This paper presents the design and implementation of a wireless power transfer (WPT) battery charger for an electric city car. A short overview on the working principles of a series–series resonant WPTS is given before describing in detail the design procedure of the power circuitry needed for its operation, i.e., an alternating-current–direct-current converter cascaded by a high-frequency inverter in the transmitting section and a diode rectifier cascaded by a chopper in the receiving section. The coil coupling with spiral coils is designed with the help of a finite-element-method code. A prototype of the WPT battery charger is built up according to the design results, and experiments that validate the design procedure are carried out.

【期刊名称】 Industrial Electronics, IEEE Transactions on

【作者】Buja, Giuseppe;Bertoluzzo, Manuele;Mude, Kishore Naik;

【作者单位】;

【收录信息】;

【年(卷),期】2015(62),12

【年度】2015

【页码】7436-7447

【总页数】12

【原文格式】PDF

【正文语种】eng

【中图分类】;

【关键词】Battery charging;Resonant inductive coupling;Wireless power transfer;resonant inductive coupling;wireless power transfer (WPT);

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