Considering the increasing attention paid by many actors in the automotive field on the hybrid-series/range extender technology, the article proposes a preliminary sizing for the battery pack and the thermal engine in an Extended Range Electric Vehicle. Aiming at carrying out a procedure the most possible “close” to final users' real life, real world driving data have been used, avoiding standard cycles. The data, collected during a 5 month acquisition campaign on 4 vehicles, have then been used as input to a longitudinal dynamic model of the vehicle. The preliminary sizing procedure has been performed by imposing three main requirements, related to the mean daily travelled distance, the “total-life” battery range and the satisfaction of the worst-case in the acquisition campaign. This last point implied the execution of a cost analysis on different vehicle configurations, going from a pure-electric solution to a “pure fuel” one. The procedure has shown that the battery pack sizing is strictly related to the chosen daily and “total-life” range, while the range extender nominal power is much more related to the worst-case required energy. At last, a simple comparison between the dimensioned vehicle and a gasoline one has been carried out, showing high advantages in terms of CO2 emissions but low benefits in terms of costs.
Extended range electric vehicles components preliminary sizing based on real mission profiles
2013-11-01
2273627 byte
Conference paper
Electronic Resource
English
A Method of Powertrain’s Components Sizing for a Range Extended Electric Vehicle
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