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DC Charging of Heavy Commercial Plug-in Hybrid Electric Vehicles
Linköping University, Department of Electrical Engineering, Computer Engineering. Linköping University, Department of Computer and Information Science.
2015 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
DC-laddning av tunga kommersiella plug-in-hybridfordon (Swedish)
Abstract [en]

A solution to reduce exhaust emissions from heavy commercial vehicles are to haul the vehicles completely or partially electric. This means that the vehicle must contain a significant electric energy source. The large capacity of the energy source causes the vehicle to either sacrifice a large part of its up time to charge the source or apply a higher charge power at the cost of power losses and lifetime of the energy source. This thesis contains a pre-study of high-power DC-charge of hybrid batteries from existing infrastructure suited to electric hybrid cars. Following parts are included in the thesis: modeling of a battery pack and a DC-DC converter, formulation of a MPC controller for the battery pack, analysis of charging strategies and battery restrictions through simulations. The thesis results shows that a longer charging time increases the energy efficiency and reduces the degradation in the battery. It also shows that a charging strategy similar to constant-current-constant-voltage charging should be used for a full charge of an empty battery.

Place, publisher, year, edition, pages
2015. , 42 p.
Keyword [en]
PHEV, DC-Charge, Heavy Trucks, Battery Modeling, Half Bridge Converter Modeling
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:liu:diva-119618ISRN: LITH-ISY-EX--15/4878--SEOAI: diva2:825073
External cooperation
Scania CV AB
Subject / course
Electrical Engineering
2015-06-17, Systemet, 13:15 (Swedish)
Available from: 2015-06-23 Created: 2015-06-23 Last updated: 2015-06-24Bibliographically approved

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Hällman, Oscar
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