Experimental study of electric vehicle gearbox efficiency
Břoušek Josef, Zvolský Tomáš
MATEC Web of Conferences · 2018
doi:10.1051/matecconf/201823402004 (opens in a new tab)
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Abstract
This paper presents an experimental analysis of the overall efficiency of the gearbox for an electric vehicle with a Dual Motor Drive System (DMDS) propulsion system. The efficiency was measured in the powertrain testbed where the gearbox was placed between two dynamometers. The main aim of the experiment was to get relevant values of an overall efficiency as a function of input speed and torque. All these measured values of the gearbox efficiency are included in graphs and efficiency maps. Tests were run with two different amounts of oil charge. The experiment confirmed the expected high values of the overall mechanical gearbox efficiency. The results can be used further for advanced simulations and other electric vehicle experiments.
Abstract licence: CC BY
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