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Evaluation traction system of electric vehicle a two-seat tubular structure

Abstract:

This article presents an alternative to reduce pollutant emissions from go-kart 7.5 kW gasoline vehicles in the city of Baños in Ecuador. The proposal is a tubular prototype two-seat electric vehicle that considers design requirements such as: maximum capacity 420 kg, average speed 50 km/h, climbing slopes of 14%, to maintain occupant comfort. The topography of the city has been considered in the analysis of the dynamic vehicle model for the selection of electrical components such as direct current motor, electronic controller, regenerative braking system and batteries. The performance of electric vehicle is evaluated in four conditions: (i) braking test in a speed of 13.8 m/s the electric vehicle stops at 5.1 m; (ii) power test in straight line and one slope of 14%, was obtained 9 kW and 11kW respectively; (iii) regenerative braking test it recovers in average 0.6 kW; and (iv) autonomy test in which 30.4 km was obtained at maximum load. It is concluded that there are two main components to be considered before making the EV conversion, the battery and electric motors, to achieve maximum efficiency.