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|Title:||Experimental Investigation of the Energy Efficiency of an Electric Vehicle in Different Driving Conditions|
|Authors:||DE GENNARO MICHELE; PAFFUMI Elena; MARTINI Giorgio; MANFREDI URBANO; SCHOLZ Harald; LACHER Hannes; KUEHNELT Helmut; SIMIC Dragan|
|Citation:||SAE 2014 World Congress & Exibition p. 2014-01-1817|
|Type:||Articles in periodicals and books|
|Abstract:||Energy efficiency of electric vehicles (EVs) and the representativeness of different driving cycles are important aspects to address EVs real-world driving conditions performance. This paper presents the results of an explorative test campaign to investigate the impact of different driving cycles on the energy consumption of an electric vehicle available on the market. The vehicle is a battery electric city-car which has been tested over the New European Driving Cycle (NEDC), the current version of the World-wide harmonized Light vehicles Test Cycle (WLTC) and the World-wide Motorcycle emission Test Cycle (WMTC). The tests are performed at different ambient temperatures (namely +23 ºC and -7 ºC) with and without the use of the Heating Ventilation and Air-Conditioning (HVAC) system (in cooling and heating mode, respectively). The NEDC test was chosen being the driving cycle prescribed by the legislative type-approval procedure, while the WMTC and WLTC were chosen to investigate the energy demand of substantially different driving cycles, characterized by higher dynamicity and a longer high speed phase. To further investigate the impact of the HVAC system on the energy consumption also some preliminary tests on the Mobile Air Conditioning (MAC) test procedure are presented. The results of these tests are compared with the fuel consumption and gaseous emissions results of one hybrid vehicle, and three conventional fuel passenger cars (all Euro 5a certified vehicles, tested on the NEDC cycle). The results constitute the basis for future technical analysis and considerations to determine the representativeness of legislative test-procedures.|
|JRC Directorate:||Energy, Transport and Climate|
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