Intelligent energy storage type emergency power supply system

The invention provides an intelligent energy storage type emergency power supply system, and relates to power supply systems. In the system, the input end of a battery charger is connected with the input end of a 380VAC main power supply through a rectifier switch, the output end of the battery charger is connected with one end of a battery switch and the input end of an inverter, the other end of the battery switch is connected with a backup lithium-ion power supply, the output end of the inverter is connected with the inversion input end of a static transfer switch, the bypass input end of the static transfer switch is connected with the input end of the 380VAC main power supply through a commercial power bypass switch, the output end of the static transfer switch is connected with the input end of an output switch, the output end of the output switch is connected with a load, one end of a maintenance bypass switch is connected with the input end of the 380VAC main power supply, and the other end of the maintenance bypass switch is directly connected with the load. The intelligent energy storage type emergency power supply system is an energy storage type power supply integrating charging, discharging and monitoring, and has the advantages of being environmentally friendly, energy saving, free of pollution, and capable of supplying power incessantly.