Auxiliary power units for range extended electric vehicles

N. Powell, M. Little, J. Reeve, J. Baxter, S. Robinson, A. Herbert, A. Mason, P. Strange, D. Charters, Stephen F. Benjamin, Svetlana Aleksandrova

    Research output: Chapter in Book/Report/Conference proceedingChapter

    2 Citations (Scopus)
    11 Downloads (Pure)


    This paper describes research carried out into auxiliary power units (APU) for range extended electric vehicles (RE-EV), as part of the Low Carbon Vehicle Technology Project (LCVTP). APU requirements are specified and compared to the attributes of a variety of prime power sources. It is concluded that for many applications adaption of a volume production 4-stroke gasoline engine will be the most suitable choice for a RE-EV, until production volumes make a bespoke engine viable. The paper explores potential engine modifications and generator integration. The development of a 55kW APU, using a volume production two cylinder engine and a close coupled design permanent magnet generator are described including its installation into a technology validator vehicle.
    Original languageEnglish
    Title of host publicationSustainable Vehicle Technologies: Driving the green agenda
    Place of PublicationCambridge
    PublisherWoodhead Publishing
    Number of pages11
    ISBN (Print)9780857094568, 9780857094575
    Publication statusPublished - 2 Apr 2012

    Bibliographical note

    Paper presented at the IMechE Sustainable Vehicle Technologies (SVT) conference, held 14-15 November 2012, Warwickshire.


    • electric vehicles
    • sustainable vehicles
    • automotive


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