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Control scheme optimization for a low-cost, digitally-controlled charger for plug-in hybrid electric vehicles

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2 Author(s)
Lixin Tang ; Nat. Transp. Res. Center, Oak Ridge Nat. Lab., Oak Ridge, TN, USA ; Gui-Jia Su

This paper describes possible switching schemes for operating the on-board electrical drive system (EDS) as a battery charger for plug-in hybrid electric vehicles and their impact on efficiency, power factor, and current distortion factor. Among the switching methods, the one using an interleaving technique uniquely afforded by the EDS structure is attractive because it results in improved performance of the charger system while using a relatively low switching frequency. The effectiveness of the interleaved scheme in terms of improved efficiency, lower current waveform distortion, and higher power factor was verified experimentally on a 14 kW prototype.

Published in:

Energy Conversion Congress and Exposition (ECCE), 2010 IEEE

Date of Conference:

12-16 Sept. 2010