Hybrid Powertrain Concepts for Light Commercial Vehicles

Authors

Dr.-Ing. Joschka Schaub, Dr.-Ing. Markus Ehrly, Korbinian Vogt, Waldemar Kansy, Bernd Lindemann, FEV Europe GmbH, Aachen, Germany;
Giuseppe Sammito, FEV Italia s.r.l, Torino, Italy;
Pascal Knappe; Paul Muthyala; Univ.-Prof. Dr.-Ing. Stefan Pischinger, Institute for Combustion Engines (VKA), RWTH Aachen University, Aachen, Germany

Summary

LCVs are typically employed for freight and passenger transport within urban areas, as well as in interurban and/or motorway operations. Furthermore, they are also used for construction, mobile workshops and camper vans. These diverse cases of operation are often not suitable for full electric powertrain concepts, limiting their large-scale introduction. In this context, the Diesel engine, with its inherent combustion efficiency advantage in combination with a partly electrified powertrain, represents a highly flexible propulsion system with attractively low real-world fuel consumption and the ability to achieve ultra-low, near zero impact pollutant emissions. For this purpose, a demonstrator vehicle, based on a VW Crafter, has been set-up with a P02 hybrid topology. The P02 hybrid topology is selected to be able to emulate different hybrid topologies as well as different levels of hybridization from a 48 V mild hybrid to a high voltage Plug-In Hybrid.
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