The energy usage efficiency of electric vehicles (EVS) and evaluation index of electromotor efficiency were studied. The idea of 'interval usage percentage of energy efficiency' and 'exertion degree of energy efficiency' of electromotor was brought forward. The effect of driving cycles on the distribution of running status of electromotor and its efficiency was investigated. The electromotor efficiency and the variety trend of average driving force at different driving cycles were discussed. Based on several typical domestic and foreign driving cycles, the exertion degree of energy efficiency and the whole efficiency of power train on some types of EVS were analyzed and calculated. The result indicates that there is a difference of 9.64 % in exertion degree of energy efficiency of electromotor at different driving cycles. The efficiency distribution of electromotor and control system is different, and the average driving force is different, too. That cause the great variety in driving range. The idiographic reference data are provided to the establishment of driving cycles' criterion of EVS in our country.


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    Titel :

    Study on the effect of driving cycles on energy efficiency of electric vehicles


    Beteiligte:
    Ji, Fenzhu (Autor:in) / Wu, Zhixin (Autor:in) / Xu, Licong (Autor:in)


    Erscheinungsdatum :

    2009


    Format / Umfang :

    10 Seiten, 5 Bilder, 2 Tabellen, 10 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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