Methods and systems for charging a battery string while protecting against overcharging. One system includes: a pair of disconnect devices; a power distribution bus which is electrically connected to a battery string via the disconnect devices; a battery charger connected to supply battery power to the power distribution bus for charging the battery string; a module monitoring unit configured to sense individual battery cell voltages during charging; a first processor configured to activate one disconnect device to open when the sensed individual battery cell voltages indicate overcharging; a plurality of sensors connected to sense a full-string voltage measured across the battery string and first and second half-string voltages measured across first and second half-strings of the battery string; and a second processor connected to receive sensor data during charging. The second processor is configured to independently activate the second disconnect device to open when the sensor data indicates continued overcharging.


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    Titel :

    SYSTEMS AND METHODS FOR FAIL-SAFE BATTERY PROTECTION INDEPENDENT FROM BATTERY MANAGEMENT SYSTEM


    Weitere Titelangaben:

    SYSTEME UND VERFAHREN FÜR EINEN AUSFALLSICHEREN BATTERIESCHUTZ UNABHÄNGIG VOM BATTERIEVERWALTUNGSSYSTEM
    SYSTÈMES ET PROCÉDÉS DE PROTECTION DE BATTERIE À SÉCURITÉ INTÉGRÉE INDÉPENDANTE D'UN SYSTÈME DE GESTION DE BATTERIE


    Beteiligte:

    Erscheinungsdatum :

    2024-04-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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