A step-varying equalization method, a device, a medium, a battery pack, and a vehicle are provided. The method includes: initiating coarse-tuning equalization for a cell in the series-connected battery when an initial equalization difference of the cell reaches a preset coarse-tuning requirement; determining a first state of charge (SOC) equalization difference according to a first voltage value of the cell after completion of the coarse-tuning equalization when a first real equalization difference of the cell after the coarse-tuning equalization reaches a preset fine-tuning requirement, and initiating fine-tuning equalization for the cell with a first equalization step size based on the first SOC equalization difference; and determining that SOC equalization of the cell is completed when a second real equalization difference of the cell after completion of the fine-tuning equalization is less than or equal to a target equalization value.


    Access

    Download


    Export, share and cite



    Title :

    VARIABLE STEP SIZE EQUALIZATION PROCESSING METHOD, AND DEVICE, MEDIUM, BATTERY PACKAGE, AND VEHICLE


    Contributors:
    FENG TIANYU (author) / DENG LINWANG (author) / LIU SIJIA (author) / LI XIAOQIAN (author) / KANG BIN (author)

    Publication date :

    2022-11-03


    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 / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / 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



    VARIABLE STEP SIZE EQUALIZATION PROCESSING METHOD, AND DEVICE, MEDIUM, BATTERY PACKAGE, AND VEHICLE

    FENG TIANYU / DENG LINWANG / LIU SIJIA et al. | European Patent Office | 2023

    Free access

    Vehicle soft package battery equalization device and soft package battery equalization method

    ZHENG YUEJIU / YI WEI / WU HANG et al. | European Patent Office | 2020

    Free access

    Battery equalization system, vehicle, battery equalization method and storage medium

    LUO HONGBIN / WANG CHAO / SHEN XIAOFENG et al. | European Patent Office | 2023

    Free access