Modeling and Parameter Sizing of Battery/Ultra-Capacitor Hybrid Energy Storage System Used in HEV

Abstract:

It has been shown that none of any energy sources which own high specific energy or high specific power, but not both, can solely fulfil all the demands of hybrid electric vehicle (HEV) in some circumstances. In this paper a simulation model for battery/ultra-capacitor hybrid energy storage system (B/UC HESS) was presented by Matlab/Simulink. Based on the model a parameters sizing principle of the energy storage system is put forward from the angle of energy and power respectively. The results show that following this parameters matching principle, the B/UC HESS can meet the double requirements for power and energy in the operation process of HEV. Whats more, a good foundation is laid for HEV parameters optimization of the energy storage sources. The experiment results also show that the buffering effect of ultra-capacitor has optimized the charging and discharging processes of Ni-MH battery considerably.

• Periodical: Applied Mechanics and Materials (Volumes 347-350)
• Pages: 1487-1491
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.347-350.1487
• Online since: August 2013
• Authors: Hai Fang Yu, Wei Wang, Yu Lin Ge, Zhi Qiang Liu
• Keywords: Drive Cycle, HEV, Hybrid Energy Storage, Model, Parameter Sizing

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