Advisor Based Modelling of Regenerative Braking Performance of Electric Vehicles at Different Road Slopes
Accessinfo:eu-repo/semantics/openAccessAttribution 3.0 United Stateshttp://creativecommons.org/licenses/by/3.0/us/
AuthorKunt, Mehmet Akif
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In this study, an electric vehicle model, which has 75kW AC asynchronous engine and 25kW Nickel-metal hydride (Nimh) batteries, has been composed by means of (ADVISOR-Advanced Vehicle Simulator) program. During the driving cycle formed for the designed electric vehicle, charging state of batteries, braking losses, battery temperatures and fuel consumption have been analyzed at different road slopes. The study has shown that power to batteries is provided by regenerative braking at all slopes and if the slope is downhill, more energy is stored into batteries due to regenerative braking. In simulation of the modelled device, maximum brake power loss of 4.43 kW has decreased at road slope of ∝= −%1.5 by means of regenerative recovery. At road slope of a = −4.5, the highest charging level has been obtained as 99.1%. With regenerated recovery, a = −4.5, a = 0, a = 4.5 on road slopes % 57, % 5, % 2 fuel savings have been achieved respectively.
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