A voltage measurement device includes a relay, a first voltage measurement unit, a second voltage measurement unit, a power supply circuit, and a control circuit. The power supply circuit is indirectly connected to a direct current bus. The first voltage measurement unit measures a first voltage applied to the power supply circuit. A first end of the relay is connected to the direct current bus and a second end of the relay is connected to the power storage device. The control circuit receives operating power from the power supply circuit, controls opening and closing of the relay, and closes a path between the first end and the second end when the first voltage is lower than or equal to a first threshold value. The second voltage measurement unit measures a second voltage applied to the second end at least when the relay is in an open state.


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    Titel :

    VOLTAGE MEASUREMENT DEVICE, VOLTAGE MEASUREMENT SYSTEM


    Beteiligte:

    Erscheinungsdatum :

    2018-11-15


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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