This paper presents a hybrid system that integrates a photovoltaic (PV) array, an energy storage system (ESS), and a Static Synchronous Compensator (STATCOM), utilizing a Quasi-Z Source Inverter (qZSI) to improve the efficiency of grid-connected power . . This paper presents a hybrid system that integrates a photovoltaic (PV) array, an energy storage system (ESS), and a Static Synchronous Compensator (STATCOM), utilizing a Quasi-Z Source Inverter (qZSI) to improve the efficiency of grid-connected power . . f photovoltaic, battery, and load. Prioritize the allocation of photovoltaic energy to energy storage batteries or load power supply through intelligent algorithms to meet the needs of m it include isolation transformer? Yes Optional offline function: supported Fire protection system:. . Should the energy storage cabinet be equipped power system results in various new challenges for power system operators. One of the promising solutionsto sustain the quality and reliabil ty of the power system is the integration of energy storag l electrical usage or a number of other specific. . Therefore, it is significant to investigate the integration of various electrical energy storage (EES) technologies with photovoltaic (PV) systems for effective power supply to buildings. It is connected in series between the grid-connected inverter and the energy storage cabinet. The product has a series of protections. . The ESS-GRID Cabinet series are outdoor battery cabinets for small-scale commercial and industrial energy storage, with four diferent capacity options based on diferent cell compositions, 200kWh, 215kWh, 225kWh, 241kWh, etc. They can be widely used in farms, animal husbandry, hotels, schools. .