BATTERY AUTO-BALANCING DEVICE AND METHOD FOR ENERGY STORAGE SYSTEM

• Main Authors: MIN, Jun Hong, HWANG, Ui Seon
• Format: Patent
• Language: English; French; Korean
• Published: 07.07.2022
• Subjects: BASIC ELECTRIC ELEMENTS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; SYSTEMS FOR STORING ELECTRIC ENERGY

The present invention relates to a battery auto-balancing device and method for an energy storage system, the device comprising: a plurality of battery units each having a battery, a relay for controlling the connection of the batteries to a power line, and a battery management unit for detecting and transmitting the state of the batteries; and a power conversion unit that detects the state of the batteries of each of the plurality of battery units, groups the batteries into a charging group and a discharging group, and performs charging using the batteries in the charging group or discharging using the batteries in the discharging group according to a battery operation mode. La présente invention concerne un dispositif et un procédé d'auto-équilibrage de batteries pour un système de stockage d'énergie, le dispositif comprenant : une pluralité d'unités de batterie comportant chacune une batterie, un relais pour commander la connexion des batteries à une ligne électrique, et une unité de gestion de batteries pour détecter et transmettre l'état des batteries ; et une unité de conversion de puissance qui détecte l'état des batteries de chacune de la pluralité des unités de batterie, regroupe les batteries en un groupe de charge et un groupe de décharge, et met en oeuvre une charge en utilisant les batteries du groupe de charge, ou une décharge en utilisant les batteries du groupe de décharge selon un mode de fonctionnement de batterie. 본 발명은 에너지 저장 시스템의 배터리 오토 밸런싱 장치 및 방법에 관한 것으로, 각각 배터리와 배터리를 전력선에 연결 제어하는 릴레이 및 상기 배터리의 상태를 검출하여 송신하는 배터리관리부를 구비하는 다수의 배터리부와, 다수의 상기 배터리부 각각의 배터리의 상태를 검출하고, 배터리들을 충전 그룹과 방전 그룹으로 그룹화하고, 배터리 동작모드에 따라 충전 그룹에 속한 배터리들을 이용하여 충전을 수행하거나, 방전 그룹에 속한 배터리들을 이용하여 방전을 수행하는 전력변환부를 포함한다.