A vehicle propulsion system includes a propulsion electrical storage device (PESD), a first switching device, an ancillary electrical storage device (AESD), a second switching device, and a controller. The PESD powers a traction motor of a vehicle via a propulsion circuit. The AESD is a different type of electrical storage device than the PESD and powers the traction motor via an ancillary circuit. The first switching device is electrically connected to the propulsion circuit, and the second switching device is electrically connected to the ancillary circuit. The controller switches or maintains the second switching device in a closed, conducting state during an elevated demand period for the AESD to power to the traction motor. The controller switches the second switching device to an open, non-conducting state prior to switching the first switching device to the closed state for the PESD to power the traction motor.


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    Titel :

    Vehicle propulsion system


    Beteiligte:

    Erscheinungsdatum :

    15.06.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B61C Lokomotiven , LOCOMOTIVES / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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