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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on mdpi.com as a courtesy and upon agreement with AVERE.
Open AccessArticle

Novel Bidirectional Multiple-Input Multiple-Output Converter for Simultaneous Direct Battery Module Balancing

1
TUM CREATE, 1 CREATE Way, Singapore 138602, Singapore
2
Institute for Electrical Energy Storage Technology, Technische Universität München, Karlstr. 45, 80333 Munich, Germany
*
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2013, 6(3), 495-501; https://doi.org/10.3390/wevj6030495
Published: 27 September 2013
PDF [648 KB, uploaded 18 May 2018]

Abstract

Charge balancers are needed to equalize the energy stored in battery cells connected in series to increase the usable capacity and lifetime of the entire stack. A multiple-input multiple-output DC/DC converter for battery module balancing, based on flux additivity, is proposed. It allows bidirectional, simultaneous and direct charge transfer. A prototype converter with two bidirectional channels has successfully been built-up and tested. First experimental results are presented to verify the feasibility of the charge balancer. A time averaged model is derived considering the influence of the common multiwinding transformer voltage.
Keywords: charge equalization; Battery Management System; DC-DC; converter; electronic charge equalization; Battery Management System; DC-DC; converter; electronic
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Koch, R.; Jossen, A.; Kuhn, R. Novel Bidirectional Multiple-Input Multiple-Output Converter for Simultaneous Direct Battery Module Balancing. World Electr. Veh. J. 2013, 6, 495-501.

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