Discussed is a battery charging method and a battery system. The battery system charges battery packs connected in parallel with power from a charger, and includes: a battery that includes the battery packs, each battery pack including a battery module with battery cells and a voltage sensor configured to measure pack voltages, which are voltages of opposite ends of the battery module, and a master battery management system (BMS) configured to set voltage sections by using a lowest pack voltage among the pack voltages and a reference voltage, group the battery packs into charge groups by classifying each of the battery packs as a corresponding voltage section among the voltage sections, and control the battery packs belonging to the charge groups to be charged in an order from a charge group corresponding to a low voltage section to a charge group corresponding to a high voltage section.
BATTERY CHARGING METHOD AND BATTERY SYSTEM FOR PROVIDING THE SAME
24.10.2024
Patent
Elektronische Ressource
Englisch
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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