Dynamic Modeling and Simulation on a Hybrid Power System for Electric Vehicle Applications

Hong-Wen He, Rui Xiong and Yu-Hua Chang
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Hong-Wen He: National Engineering Laboratory for Electric Vehicles, Beijing Institute of Technology, Beijing, 10081, China
Rui Xiong: National Engineering Laboratory for Electric Vehicles, Beijing Institute of Technology, Beijing, 10081, China
Yu-Hua Chang: The Faculty of Automotive and Construction Machinery Engineering, Warsaw University of Technology, Warsaw, 02-524, Poland

Energies, 2010, vol. 3, issue 11, 1-10

Abstract: Hybrid power systems, formed by combining high-energy-density batteries and high-power-density ultracapacitors in appropriate ways, provide high-performance and high-efficiency power systems for electric vehicle applications. This paper first establishes dynamic models for the ultracapacitor, the battery and a passive hybrid power system, and then based on the dynamic models a comparative simulation between a battery only power system and the proposed hybrid power system was done under the UDDS (Urban Dynamometer Driving Schedule). The simulation results showed that the hybrid power system could greatly optimize and improve the efficiency of the batteries and their dynamic current was also decreased due to the participation of the ultracapacitors, which would have a good influence on batteries’ cycle life. Finally, the parameter matching for the passive hybrid power system was studied by simulation and comparisons.

Keywords: ultracapacitor; battery; hybrid power system; dynamic modeling; electric vehicles (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2010
References: View complete reference list from CitEc
Citations: View citations in EconPapers (10)

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