Lithium iron phosphate battery has a series of unique advantages such as high working voltage, high energy density, long cycle life, and environmental protection, and supports stepless expansion. After forming an energy storage system, it can be used for large-scale electrical energy storage. The lithium iron phosphate battery energy storage system consists of a lithium iron phosphate battery pack, a battery management system (Battery Management System, BMS), a converter device (rectifier, inverter), a central monitoring system, and a transformer.
In the charging stage, the intermittent power supply or the grid charges the energy storage system. The AC power is rectified into DC after the rectifier to charge the energy storage battery module and store energy; in the discharge stage, the energy storage system discharges to the grid or load, and the energy storage battery module The DC power is converted to AC power through the inverter, and the inverter output is controlled by the central monitoring system, which can provide stable power output to the grid or load.