The energy storage system is one of the key components of any hybrid electric vehicle (HEV) powertrain. The design of such energy storage systems requires intensive investigations especially regarding its reliability, intelligent energy storage management system, thermal behaviour as well as costs for a given HEV application. For that purpose Arsenal Research - focusing on electric drives technologies for automotive application - has built up a comprehensive development environment comprising state-of-the-art simulation tools as well as a sophisticated testing infrastructure. The work presented here focuses on the development of a modular energy storage system applicable for various HEV configurations. The procedure for selecting the suitable battery module unit is given. The selected battery module is than adopted as a basic element for realisation of different energy storage solutions for various HEV powertrain configurations. The optimal sizing of each energy storage system for different HEV powertrains and the appropriate energy storage management design are determined using the simulation environment and the innovative Modelica-based Hardware-in-the-loop test bench, both developed at arsenal research. For comprehensive testing of real batteries standard test drive cycles, like the UDC, and real life cycles are used. The development process of the modular energy storage systems is described and some results of this investigation are given.
Modular design of an energy storage system for hybrid electric vehicle
2007
12 Seiten, 4 Bilder, 1 Tabelle, 19 Quellen
Conference paper
English
Plug-in hybrid electric vehicle energy storage system design
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