본 발명의 일 실시예에 따른 배터리 시스템은 복수의 배터리 모듈 어셈블리(BMA)를 포함하는 배터리 랙을 포함하는 배터리 시스템으로서, 상기 배터리 랙을 제어하는 제1 배터리 관리 장치(RBMS)로서, 일정 주기로, 상기 배터리 시스템이 휴지(idle) 상태인지 여부 및 충전 상태에 따라 BMA 밸런싱 수행 조건을 확인하고, 상기 BMA 밸런싱 수행 조건이 만족된 경우, BMA 밸런싱 대상 및 BMA 밸런싱 시간을 설정하는, 제1 배터리 관리 장치; 및 BMA 내에 위치하고 밸런싱 회로를 포함하는 제2 배터리 관리 장치(PBMS)로서, 상기 제1 배터리 관리 장치로부터 상기 BMA 밸런싱 대상 및 BMA 밸런싱 시간을 포함하는 BMA 밸런싱 명령을 수신하여 셀 밸런싱을 수행하는, 제2 배터리 관리 장치를 포함할 수 있다.

    A battery system, including a battery rack having a plurality of battery module assemblies (BMA), according to embodiments of the present invention may include a first battery management apparatus for controlling the battery rack, wherein the first battery management apparatus is configured to determine, at predetermined intervals, whether conditions for performing a BMA balancing are satisfied, wherein fulfillment of the conditions depend on the at least one of (i) whether the battery system is in an idle state and (ii) a state of charge of the battery system, and to determine a BMA balancing target and a BMA balancing time in response to at least one of the conditions for performing the BMA balancing is satisfied; and a second battery management apparatus configured to receive a BMA balancing command including the BMA balancing target and the BMA balancing time from the first battery management apparatus and to perform the BMA balancing.


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    Title :

    BATTERY MANAGEMENT APPARATUS BATTERY SYSTEM AND METHOD OF BALANCING BATTERY MODULE ASSEMBLY


    Additional title:

    배터리 관리 장치, 배터리 시스템 및 배터리 모듈 어셈블리 밸런싱 방법


    Contributors:
    LEE HEONGUK (author) / SUN JU YOUNG (author)

    Publication date :

    2024-12-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    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 / 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



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