Experimental Research of Transmissions on Electric Vehicles’ Energy Consumption

Polychronis Spanoudakis, Nikolaos C. Tsourveloudis, Lefteris Doitsidis and Emmanuel S. Karapidakis
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Polychronis Spanoudakis: School of Production Engineering & Management, Technical University of Crete, 73100 Chania, Greece
Nikolaos C. Tsourveloudis: School of Production Engineering & Management, Technical University of Crete, 73100 Chania, Greece
Lefteris Doitsidis: Department of Electronic Engineering, School of Applied Sciences, Technological Educational Institute of Crete, 73133 Chania, Greece
Emmanuel S. Karapidakis: Department of Electrical Engineering, School of Engineering, Technological Educational Institute of Crete, 71410 Heraklion, Greece

Energies, 2019, vol. 12, issue 3, 1-15

Abstract: The growth of electric vehicles share of total passenger-vehicle sales is evident and is expected to be a very big market segment by 2030. Range of travel and pricing are the most influencing factors that affect their gain in market share. As so, powertrain development is a key technology factor researched by the automotive industry. To explore, among others, how the energy consumption of zero emission vehicles is affected by different transmissions, we developed, built and installed a variety of them on a custom hydrogen fuel cell powered urban vehicle. In this work we present a comparison of the effect, on the energy consumption of the proposed testbed, of a prototype custom build 2-speed gearbox and a single stage transmission. Results presented show a reduction of the overall energy consumption with the use of the 2-speed gearbox, compared to single stage, as well as the effect of gear change speed, related to speed, in energy consumption. Finally, a correlation of experimental results using a custom build CVT is conducted compared to single stage transmission. A comparison to simulation results found in literature is performed for all the transmissions tested on road.

Keywords: transmission; electric vehicle; 2-speed; gear change; CVT; energy consumption (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: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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