A battery system including a battery rack having a plurality of battery module assemblies (BMAs) according to an embodiment of the present invention may include: a first battery management device (RBMS) for controlling the battery rack, wherein the first battery management device is configured to periodically determine whether one or more conditions for performing BMA balancing are satisfied according to whether the battery system is in an idle state and according to a state of charge of the battery system, and determine a BMA balancing target and a BMA balancing time if the conditions for performing BMA balancing are satisfied; and a second battery management device (PBMS) located in the battery module assembly and including a balancing circuit, wherein the second battery management device is configured to receive a BMA balancing command including a BMA balancing target and a BMA balancing time from the first battery management device and perform cell balancing.
根据本发明的实施例的包括具有多个电池模块组件(BMA)的电池架的电池系统可以包括:用于控制电池架的第一电池管理装置(RBMS),其中第一电池管理装置被配置为定期根据电池系统是否处于空闲状态并且根据电池系统的充电状态来确定是否满足用于执行BMA平衡的一个或多个条件,并且在满足用于执行BMA平衡的条件的情况下确定BMA平衡目标和BMA平衡时间;以及位于电池模块组件中并且包括平衡电路的第二电池管理装置(PBMS),其中第二电池管理装置被配置为从第一电池管理装置接收包括BMA平衡目标和BMA平衡时间的BMA平衡命令并且执行单体平衡。
Battery management device, battery system and battery module assembly balancing method
电池管理装置、电池系统和电池模块组件平衡方法
18.03.2025
Patent
Elektronische Ressource
Chinesisch
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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