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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on mdpi.com as a courtesy and upon agreement with AVERE.
Open AccessArticle

Assessing Range and Performance of Electric Vehicles in Nordic Driving Conditions – Project ”RekkEVidde”

1
VTT, FI-02044 VTT, Espoo, Finland
2
TSS North, SE-930 90 Arjeplog, Sweden
3
GreenNet Finland, FI-01510 Vantaa, Finland
*
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2012, 5(1), 45-50; https://doi.org/10.3390/wevj5010045
Published: 30 March 2012
PDF [428 KB, uploaded 17 May 2018]

Abstract

Until battery technology makes a leap, shortage of range is by far the greatest flaw in electric vehicle technology that is otherwise very effective and promising. However, energy use is also highly dependent on duty cycles, driving conditions and traffic situation. Furthermore, cabin heating in an EV will not be supported by energy losses as in an ICE-car. Therefore, actual range can differ substantially in real-life situations, and can be much shorter than the official figures given by the manufacturers. Project RekkEVidde is aiming at drafting a testing scheme to address EV driving in Nordic conditions, and produce realistic range estimates for the consumers to help them understand and make better use of this raising technology. Initial laboratory testing was imposed on a Citroën C-Zero EV using multiple different driving cycles and testing also at -20 °C, not just the normal ambient. First review of the results in this paper shows that the energy consumption was raised on average some 30 % at low ambient, resulting to a 15 to 30 % shorter range. This was due to only increasing the air drag component according to increase in air density, but further on-road testing will also give us more information on increase of rolling resistance because of snow and ice packed on road surface. Furthermore, use of cabin heating was not included in these numbers. Should it be turned on, the range will be further shortened as much as 50 % in slow-speed urban driving.
Keywords: EV; range; cold driving conditions; laboratory testing; field testing EV; range; cold driving conditions; laboratory testing; field testing
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Laurikko, J.; Granström, R.; Haakana, A. Assessing Range and Performance of Electric Vehicles in Nordic Driving Conditions – Project ”RekkEVidde”. World Electr. Veh. J. 2012, 5, 45-50.

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