Integrated charger with wireless charging and boost functions for PHEV and EV applications

Integrated charger topologies that have been researched so far with dc-dc converters and the charging functionality have no isolation in the system. Isolation is an important feature that is required for user interface systems that have grid connections and therefore is a major limitation that needs...

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Bibliographic Details
Published in2015 IEEE Transportation Electrification Conference and Expo (ITEC) pp. 1 - 8
Main Authors Chinthavali, M., Onar, O. C., Campbell, S. L., Tolbert, L. M.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2015
Subjects
Coils
integrated charger
Manganese
on-board charger
Transformer cores
Tuning
Voltage control
wireless charging
wireless power transfer
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Summary:Integrated charger topologies that have been researched so far with dc-dc converters and the charging functionality have no isolation in the system. Isolation is an important feature that is required for user interface systems that have grid connections and therefore is a major limitation that needs to be addressed along with the integrated functionality. The topology proposed in this paper is a unique and a first of its kind topology that integrates a wireless charging system and the boost converter for the traction drive system. The new topology is also compared with an on-board charger system from a commercial electric vehicle (EV). The ac-dc efficiency of the proposed system is 85.1% and the specific power and power density of the onboard components is ~455 W/kg and ~320 W/l.
DOI:10.1109/ITEC.2015.7165813