Electrochemical energy storage system, system control method and related equipment

The invention relates to an electrochemical energy storage system, a system control method and related equipment, and relates to the technical field of electrochemical energy storage. The system comprises a battery cell unit, a battery management unit and a converter, wherein the battery cell unit comprises a first battery cell unit and a second battery cell unit; the battery management unit is used for detecting battery cell state information of the battery cell unit; the first cell units and the second cell units are connected in parallel to form parallel battery packs, a plurality of parallel battery packs are connected in series to form a battery cluster, and the converter is connected in series with the battery cluster. According to the system, the system cost is reduced, the energy conversion efficiency of the system is improved, the charge and discharge balance of the battery cell is ensured, the service life of the battery is prolonged, and the safety of the battery is improved. 本申请涉及一种电化学储能系统、系统控制方法及