Journal
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
Volume 58, Issue 8, Pages 3970-3980Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TVT.2009.2028070
Keywords
AC/DC rectifiers; control; dc/dc converters; electric traction; energy storage; hybrid electric vehicles (HEVs); plug-in HEVs (PHEVs); power electronics; propulsion systems
Categories
Funding
- National Science Foundation [0801860]
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [0801860] Funding Source: National Science Foundation
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Hybrid electric vehicle (HEV) technology provides an effective solution for achieving higher fuel economy, better performance, and lower emissions, compared with conventional vehicles. Plug-in HEVs (PHEVs) are HEVs with plug-in capabilities and provide a more all-electric range; hence, PHEVs improve fuel economy and reduce emissions even more. 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 a neighborhood outlet. In this paper, a novel integrated bidirectional ac/dc charger and dc/dc converter (henceforth, the integrated converter) for PHEVs and hybrid/plug-in-hybrid conversions is proposed. The integrated converter is able to function as an ac/dc battery charger and to transfer electrical energy between the battery pack and the high-voltage bus of the electric traction system. It is shown that the integrated converter has a reduced number of high-current inductors and current transducers and has provided fault-current tolerance in PHEV conversion.
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