- Thema: EV: Dynamic Charging (Grid Integration)
- Onderwerp: from diesel vehicle to electric vehicle
Design of an efficient, low weight battery electric vehicle based on a VW Lupo 3L
A battery electric vehicle is being developed at the Eindhoven University of Technology, which will b eused in future research projects regarding electric mobility.
- Energy storage in batteries is still at least 25 times heavier and has 10 times the volume in comparison to fossil fuel.
- This leads to an increase of the vehicle weight, especially when trying to maximize the range.
- A set of specifications is derived, taking into consideration the mobility requirements of people living in the Netherlands and the capabilities of electric vehicles.
- The VW Lupo 3L 1.2 TDI has been selected as the vehicle to be converted into a battery electric vehicle, since it has many favorable characteristics such as a very low mass and good aerodynamics.
- The design choices considering the power train and component selection are discussed in detail.
- Finally the battery electric Lupo is compared to the original Lupo 3L considering energy usage, costs per km and CO2 emissions.
With respect to these aspects the advantages of electric propulsion are relatively small, as the donor vehicle is already very fuel efficient.
Realization and control of the Lupo EL electric vehicle
During fall 2009, the Eindhoven University of Technology started the development of the Lupo EL (Electric Lightweight) research vehicle. The vehicle is fully operational now, allowed to drive on the public road and used in several research projects.
This paper will focus more in-depth on the vehicle development and the research performed.
The following subjects will be addressed:
- vehicle realization
- specification and performance
- data acquisition systems
- control systems
Real-life performance of the Lupo EL
To gain more insight in different aspects of electric vehicles, the Dynamics and Control group of the Eindhoven University of Eindhoven has developed the Lupo Electric Lightweight (EL) as a research platform for electric mobility.
A model of the powertrain of the Lupo EL is created and gives fairly accurate indications of the real-life performance of the Lupo EL.
- The deviation between the model and DC measurement results is less than 10%.
- According to the measurements results, the electric Lupo EL has significant lower carbon dioxide emissions than the Lupo 3L equipped with a diesel engine.
- The difference in CO2 emissions between the EL and 3L at constant speed is at least 8.9%.
- Batteries make the vehicle more expensive and result in additional CO2 emissions during production.
- The break-even distance is 82300 km for the CO2 emissions and 326400 km for the investments, if normal power grid electricity is used. If solar energy is used, the break-even distance would be 38600 km for the CO2 emissions and 243600 km for the investments.
- The range of the Lupo EL is between 150 and 200 km, depending on the driving conditions.
- Comparing the Lupo EL with other electric vehicles, like the Nissan Leaf and Smart ForTwo, the energy usage is fairly low.
- -Betere en slimmere netten
- -Demand response
- -Betrokken consumenten
- -ICT & Modelling
- -Groene energie technologie
- -Big energy data
- -DC Grid Architectures
- -Stimuleren duurzame mobiliteit
- -Products and services
- -Flexibele prijzen
- -Wet- en regelgeving
- -Buitenland studies
- -Smart Charging