IEEJ Transactions on Industry Applications
Online ISSN : 1348-8163
Print ISSN : 0913-6339
ISSN-L : 0913-6339
Paper
Proposition and Experimental Verification of a Bi-Directional Isolated DC/DC Converter for Battery Charger-Discharger of Electric Vehicle
Ryota KondoYusuke HigakiMasaki Yamada
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2016 Volume 136 Issue 1 Pages 61-70

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Abstract

This paper proposes a bi-directional isolated DC/DC converter for battery charger and discharger of electric vehicles controlled by a new phase-shift topology. The proposed DC/DC converter consists of two full-bridge inverters, an isolated transformer, and boost reactors. The converter provides bi-directional transmission, buck-boost conversion and zero-voltage switching, adjusting the phase-shift of two full bridge inverters continuously. A 400V-3.5kW experimental system provides stable bi-directional buck-boost conversion and seamless transition between charging and discharging modes. A maximum efficiency of 93.3% can be achieved for this experimental system.

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© 2016 by the Institute of Electrical Engineers of Japan
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