A Resonant PWM DC/DC Converter with Coreless Transformer for Light Electric Vehicles On-Board Charger

被引：1

作者：

Kim, Yoon-Jae ^{[1
]}

Lee, Jun-Young ^{[1
]}

机构：

[1] Myongji Univ, Dept Elect Engn, Yongin 449728, Gyeonggi, South Korea

来源：

EPE JOURNAL | 2015年 / 25卷 / 04期

关键词：

BATTERY CHARGER; DESIGN; KW;

D O I：

10.1080/0939-8368.2015.11882292

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper suggests a DC/DC converter with coreless transformer for electric vehicle chargers. Since the coreless transformer has low coupling coefficient, the converter uses resonance but its power is controlled by PWM. Appropriate design of resonant capacitor improves its switching conditions of ZVS operation of all switching devices and near ZCS of bottom switches and output rectifier. Using Wheeler approximation, coreless transformer design is suggested and converter design procedure is derived under a predetermined leakage inductance of coreless transformer. The feasibility of the proposed charger is verified with a 2kW prototype designed based on the procedure.

引用

页码：17 / 24

页数：8

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