The automotive industry is investigating the change of electrical system voltage in a vehicle from the present 14 volt (12V battery) to 42 volt (36V battery) to integrate new electrical and electronic features. These new features require more amperes, thicker wires, large power devices, and eventually higher cost. The existing 14V system is very difficult to sustain so much content because of constraints of performance, efficiency, cost, packaging space, and manufacture-ability. This paper discusses foreseeable needs moving to a higher voltage, and reasons of 42V selection. It explores benefits and drawbacks when the voltage is changed from 14V to 42V in the areas of wire harness, power electronics, smart switching, power supply, etc. Finally, two typical 42/14V dual voltage architectures are presented for a likely 42V transition scenario.


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    Titel :

    Automotive Electrical System in the New Millennium


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Huang, Henry (Autor:in) / Miller, John M. (Autor:in) / Nicastri, Paul R. (Autor:in)

    Kongress:

    International Truck & Bus Meeting & Exposition ; 1999



    Erscheinungsdatum :

    1999-11-15




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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