Westinghouse Electric Corp. has developed and fielded high-power Electric Vehicle (EV) power trains capable of 185 kW (250 hp) peak power and 130 kW (175 hp) continuous power. A single 100 kg motor has proven to be suitable for buses weighing 15000kg (without gear shift). The motor and controller share production components with power trains produced by Westinghouse for other automotive EV applications. The motor, controller, and speed reducer is designed for a live of over 800000 km and the motor design is patterned after aircraft generators which has a service life of 20 years using the same lubricants. The liquid cooling technique used in the motors allows it to operate at 1,33 kW/kg (0,8 hp/lb) continuously. Testing has confirmed performance and range simulations and shows that the acceleration and braking performance is generally better than that of the diesel-powered counterpart. The AC power train draws about 770 Wh/km (at the battery) for the operation of a 15000 kg bus and 570 Wh/km for a 10000 kg bus.


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    Title :

    Large power trains for electric and hybrid busses


    Additional title:

    Große Antriebseiheiten für Elektro- und Hybridbusse


    Contributors:


    Publication date :

    1995


    Size :

    8 Seiten, 9 Bilder, 2 Tabellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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