Minimizing Coil Power Loss in a Direct AC/AC Converter-based Contactless Electric Vehicle Charger

被引：0

作者：

Kusumah, Ferdi Perdana ^{[1
]}

Kyyra, Jorma ^{[1
]}

机构：

[1] Aalto Univ, Sch Elect Engn, Dept Elect Engn & Automat, POB 13000, FI-00076 Aalto, Finland

来源：

2017 19TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS (EPE'17 ECCE EUROPE) | 2017年

关键词：

AC/AC converter; Battery charger; Contactless power supply; Electric vehicle; Resonant converter; Soft switching;

D O I：

暂无

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 explains an optimum load analysis to reduce power loss in a direct AC/AC converter-based contactless electric vehicle charger. The converter has a fewer number of bi-directional switches than a matrix converter and it uses a resonant circuit to utilize zero-current switching. Output power and power loss depend on coupling factor and output load. A proper load value leads to low loss and maximum transmission efficiency. The value was derived using an iterative-based Weierstrass' method due to converter dynamic switching frequency. Other parameters such as link efficiency, link gain and power loss ratio were derived based on steady-state analysis. Simulation results are then presented to validate the theoretical analyses.

引用

页数：10

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