Embodiments include methods and systems for charge balancing in a battery system having a string of battery packs that each include a plurality of battery cells. Aspects include obtaining electrical parameters for each of the plurality of battery cells and calculating a battery pack balance point for each of the battery packs in the string. Aspects also include instructing a cell balancing system to execute a cell charge balancing routine to balance each of the plurality of battery cells of each battery pack to the battery pack balance point corresponding to the battery pack, calculating a string balance point for the string of battery packs based on the battery pack balance points, and instructing the cell balancing system of each battery pack to balance the plurality of battery cells of the battery pack to the string balance point.
METHOD AND SYSTEM FOR BATTERY CELL CHARGE BALANCING
26.06.2025
Patent
Elektronische Ressource
Englisch
IPC: | 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 |
Method and apparatus for battery cell charge balancing
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