Numerous papers have been written about electrically-heated catalysts (EHCs) as a potential technology able to provide the quick catalyst light-off key to meeting California Air Resources Board's Low Emission Vehicle Standards. Most studies have focussed on using a battery as the power source for the EHC. Consequences of battery-powered systems include severe battery life impacts, complicated electrical switching mechanisms, very large wires, and uncertain reliability. A more practical solution may be to provide power directly from the alternator at an elevated voltage level. This paper describes an alternator-powered EHC approach developed at Ford that reduces many of the drawbacks of battery-powered systems.


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    Title :

    Development of an Alternator-Powered Electrically-Heated Catalyst System


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Congress & Exposition ; 1994



    Publication date :

    1994-03-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English






    Alternator-powered, electrically heated catalyst

    Laing,P.M. / Ford Motor,US | Automotive engineering | 1994


    Development of an alternator-powered electrically-heated catalyst system

    Laing,P.M. / Ford Motor,US | Automotive engineering | 1994


    Development of an Alternator-Powered Electrically-Heated Catalyst System

    Laing, P. M. / Society of Automotive Engineers | British Library Conference Proceedings | 1994