An electric motor drive system for a propulsion device, the system comprising: a battery stack (20) having an earth terminal and an end terminal (21); an electric motor (10) electrically connected to be powered by the battery stack, the motor configured to, in use, be connected to drive the propulsion device; a power converter (40) electrically connected between the battery stack and the electric motor; and a switch (30) between the power converter and the battery stack, the switch arranged to switch between a first state electrically connecting the end terminal (21) of the battery stack to the power converter to provide a maximum battery voltage to the power converter, and a second state electrically connecting a tap point (22) from one or more intermediate nodes, intermediate the earth terminal and the end terminal, of the battery stack, to provide a voltage less than the maximum battery voltage to the power converter.


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    Title :

    ELECTRIC POWER ARRANGEMENT FOR PROPULSION


    Additional title:

    ELEKTRISCHE LEISTUNGSANORDNUNG FÜR ANTRIEB
    AGENCEMENT D'ALIMENTATION ÉLECTRIQUE POUR PROPULSION


    Contributors:

    Publication date :

    2025-08-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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