The invention relates to a method for operating an on-board electrical network (4) of a motor vehicle (2), with a first voltage circuit (I) and a second voltage circuit (II), the first voltage circuit (I) having a first operating voltage which is higher than a second operating voltage in the second voltage circuit (II), the first voltage circuit (I) being connected to the second voltage circuit (II) via a DC-DC converter (8), and the first voltage circuit (I) having a battery (10) and the second voltage circuit (II) having a main battery (12), characterized in that the second voltage circuit (II) has an additional third auxiliary battery (14), and wherein by means of a changeover switch assembly (18) components of the motor vehicle (2) are supplied with electrical energy from the main battery (12) and/or the auxiliary battery (14), and in that the main battery (12) is disconnected from the second voltage circuit (II) by means of an isolating switch (66) during a startup mode.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    On-board electrical network for a motor vehicle


    Beteiligte:

    Erscheinungsdatum :

    19.03.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



    On-board electrical network of a motor vehicle

    KIRCHHOFFER JOHANN | Europäisches Patentamt | 2024

    Freier Zugriff

    On-board electrical network for a motor vehicle

    KIRCHHOFFER JOHANN / STAUSS PHILIP / CHUMCHAL CHRISTOPHER et al. | Europäisches Patentamt | 2022

    Freier Zugriff

    ON-BOARD ELECTRICAL NETWORK OF A MOTOR VEHICLE

    KIRCHHOFFER JOHANN | Europäisches Patentamt | 2021

    Freier Zugriff