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http://dx.doi.org/10.6113/TKPE.2011.16.3.227

Design and Experiment of Three-phase Interleaved DC-DC Converter for 5kW Lead-Acid Battery Charger  

Lee, Wu-Jong (충남대 대학원)
Eom, Ju-Kyoung (인텍에프에이)
Han, Byung-Moon (명지대 전기공학과)
Cha, Han-Ju (충남대 전기공학과)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.16, no.3, 2011 , pp. 227-233 More about this Journal
Abstract
This paper proposes a design and experiment of three phase interleaved dc-dc converter for 5kW battery charger. The charger consists of a three-phase interleaved dc-dc converter, which interfaces batteries and DC link, and a grid connected inverter. Lead-acid battery is modeled in a simple R-C model by matlab. Parameters of the battery are estimated based on step current discharging test. The battery is connected to three-phase interleaved DC-DC converter in order to reduce the ripple current to the battery and so, increase the lifetime of battery. Controller for charging and discharging mode is designed and tested in a 5kW charger prototype.
Keywords
Battery; Charger; three-phase Interleaved DC-DC converter; Bidirectional converter;
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