A method and a system for a high-voltage (HV) battery pack having multiple rechargeable energy storage devices (RESSs) that are connectable to an external load via a power bus via a pre-charge circuit in parallel with a first electrical contactor. The RESSs are monitored via current sensors. The current sensors monitor current levels between the RESSs and the power bus, detect a low current level from one of the current sensors, identify one of the RESSs associated with the low current level, activate the respective pre-charge circuit, monitor the electrical current, and determine a state of the respective first electrical contactor based upon the electrical current.


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    Title :

    Method and apparatus for a multi-cell rechargeable energy storage device


    Contributors:

    Publication date :

    2024-10-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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