An Easily Scalable Dynamic Wireless Power Transfer System for Electric Vehicles

被引：9

作者：

Noeren, Jannis ^{[1
]}

Parspour, Nejila ^{[1
]}

Elbracht, Lukas ^{[1
]}

机构：

[1] Univ Stuttgart, Inst Elect Energy Convers, Pfaffenwaldring 47, D-70569 Stuttgart, Germany

来源：

ENERGIES | 2023年 / 16卷 / 09期

关键词：

dynamic wireless charging; wireless power transfer; inductive power transfer; electric vehicles; inverters;

D O I：

10.3390/en16093936

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：

This article deals with a LCC-LCC compensated dynamic wireless power transfer system for electric vehicle charging applications. The presented prototype system allows for a power transfer of about 10 kW at 20 cm coil copper to copper distance. With just one circular pickup coil and a very straightforward control scheme, a new coil arrangement enables a seamless power transfer. Furthermore, the system's design power level is easily adjustable by the size of the the pickup coil. The hardware architecture as well as the software functionality are described in detail. A 20 m test track was built up according to the outlined principle. By measuring the transmitted power, the efficiency and the interference between the primary segments and its effect on the inverter currents are examined. The results show an effective DC to DC efficiency in the range of 91 to 92% and a power fluctuation of approximately 25%.

引用

页数：15

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