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Integrated Bi-Directional AC/DC and DC/DC Converter for Plug-in Hybrid Electric Vehicle Conversion

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2 Author(s)
Young-Joo Lee ; Electr. & Comput. Eng. Dept., Illinois Inst. of Technol., Chicago, IL ; Emadi, A.

As the result of a wide range of efforts to improve fuel economy and reduce emissions of conventional vehicles, hybrid electric vehicle (HEV) technology has been commercialized. HEVs show better mile per gallon (MPG) than conventional vehicles. As a new practical breakthrough to reduce air pollution and fuel consumption, particularly in urban areas, converting HEVs into plug-in hybrid electric vehicles (PHEVs) has been considered significant. PHEVs have a battery pack of high energy density and can run solely on electric power for a given range. The battery pack can be recharged by neighborhood outlet charger. In this paper, a novel integrated bi-directional AC/DC and DC/DC converter (IBADDDC) will be proposed, which is able to function as a battery charger and to transfer electrical energy between battery pack and the high voltage bus of the electric drive train system. It is shown that IBADDDC can provide the reduced number of high current inductors and current transducers, and fault current tolerance in high power applications for PHEV conversion.

Published in:

Vehicle Power and Propulsion Conference, 2007. VPPC 2007. IEEE

Date of Conference:

9-12 Sept. 2007