Battery pack with balancing management

A battery management system (200) for a battery pack comprising multiple battery modules (211-216) is disclosed. Each of the battery modules (211-216) includes multiple battery cells. The battery management system (200) includes multiple first balancing units, multiple first controllers, a second ba...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KAO, HAN-JUNG, ZHANG, WEI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A battery management system (200) for a battery pack comprising multiple battery modules (211-216) is disclosed. Each of the battery modules (211-216) includes multiple battery cells. The battery management system (200) includes multiple first balancing units, multiple first controllers, a second balancing unit (220) including multiple second balancing circuits (221-226), and a second controller (230) coupled to the battery modules (211-216) and the second balancing circuits (221-226). The first controllers are operable for controlling the first balancing units to adjust voltages of battery cells in the battery module if an unbalance occurs between the battery cells. The second controller (230) is operable for controlling said second balancing circuits (221-226) to adjust voltages of said battery modules (211-216) if an unbalance occurs between battery modules (211-216).