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Title: An energy efficient breakdown cover service for electric cars
Authors: Cappelle, Jan
Vispoel, Stijn
Van Maerhem, Thomas #
Issue Date: 6-May-2012
Conference: The International Battery, Hybrid and Fuel Cell Electric Vehicle Symposium edition:26 location:Los Angeles date:6-9 may 2012
Abstract: A typical breakdown cover service unit in Belgium has to assist up to 5 cars a day that end up with an
empty fuel tank. As the range of today’s battery electric cars is lower than what people are used to have
today, breakdown cover services expect that massive introduction of electric cars will lead to a multiple of
EVs ending up with an empty battery. This paper reports about a research project, initiated by a Belgian
breakdown cover service, that aimed to design and build a prototype of a fast and an energy efficient
intervention car for EVs with empty batteries. For the prototype a CNG van is equipped with a hybrid
power system enabling efficient energy injections for electric vehicles with slow as well as fast charging
possibilities. The prototype is equipped with charging infrastructure providing mode 1, 2 and 3 charging.
The paper starts with a description of the prototype design. The main part gives a detailed comparison
of three EV breakdown cover service methods: towing the EV, energy injection on the spot by a diesel
genset on a diesel truck and energy injection with the designed prototype. For a typical breakdown cover
service day, the prototype turns out to be 12% faster, consumes 41% less energy and reduces emissions
by 68% in comparison with towing.
Publication status: accepted
KU Leuven publication type: IC
Appears in Collections:ESAT - ELECTA, Electrical Energy Computer Architectures
Technologiecluster ESAT Elektrotechnische Engineering
Electrical Engineering (ESAT) TC, Technology Campuses Ghent and Aalst
# (joint) last author

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