Design of a Downscaled Dynamic Wireless EV Charging System for Traffic Intersection Application

被引：0

作者：

Zhu, Qingwei ^{[1
]}

Guo, Yanjie ^{[2
]}

Wang, Lifang ^{[2
]}

Liao, Chenglin ^{[2
]}

机构：

[1] Univ Manchester, Sch Elect & Elect Engn, Manchester, Lancs, England

[2] Chinese Acad Sci, Inst Elect Engn, Beijing, Peoples R China

来源：

2019 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2019年

关键词：

dynamic; electric vehicle; efficiency; longitudinal length; transmit coil; wireless charging; wireless power transfer;

D O I：

10.1109/ecce.2019.8913099

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 paper presents the design of a 10:1 downscaled multi-transmit coil powered dynamic wireless electric vehicle charging (DWEVC) system for traffic intersection application. Design requirements are firstly analyzed and then a number of preliminary designs with different longitudinal lengths of the transmit coil is proposed. Critical coil parameters, in particular the mutual inductance are evaluated for these pre-designs by finite element analysis. Comparative studies are then conducted to investigate the sensitivity on key electrical parameters including the system efficiency, coil current, voltage, electromagnetic radiation, and the power converter capacity. Tradeoff of these parameters results a three-coil desing, based on which a 2.5 kVt prototype with one segment is deployed. Dynamic charging experiments on this prototype indicate an overall system efficiency of 88% at the wireless gap of 10.5cm.

引用

页码：4195 / 4200

页数：6

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