Abstract
Battery electric vehicles combined with renewable energies have a huge potential to reduce CO2- emissions, especially in the field of motorized individual transport. However, a future change from combustion engines to electric drives leads to new problems and challenges. From the perspective of energy engineering, among others, the following questions arise:• Where should be charging infrastructure for electric vehicles created? • Which connection power should be provided? • How big is the additional grid load? • What must be done to prevent overloading? These questions are dealt with in the Austrian research projects “Smart Electric Mobility” and “V2G - Strategies” with national partners from academia and industry (funded by the Austrian Climate and Energy Fund, programme “New Energy 2020”). The methods and selected results are presented in this paper.
Highlights
The path to a sustainable and environmentally friendly mobility in the motorized individual transport will bring an increasing electrification of the drive train
The results show that the vehicles principally park at the locations “at home” and “at work”
At the level of one battery electric vehicle (BEV) it is possible to generate the temporal profiles of the travelled distances, the parking locations, the state of charge (SOC) and the required load
Summary
The path to a sustainable and environmentally friendly mobility in the motorized individual transport will bring an increasing electrification of the drive train. Electric vehicles normally will be charged at locations where they are parked, but not during an additional interruption along a trip. This will be only in exceptional cases the perfect solution for the EV. The correct dimensioning of the charging infrastructure is based on the energy demand (proportional to the distances travelled) and the parking locations of the vehicles (with possibility to charge). This change means that EV will be charged at critical points in public spaces, but to a large extent in private parking spaces and garages. In this paper the methods and selected results produced by the Vienna University of Technology are discussed
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