Bidirectional energy storage inverter

The invention provides a bidirectional grid-connected inverter circuit. The circuit system belongs to a power system for discharging, charging or discharging while punching. The bidirectional energy storage inverter is high in conversion efficiency, capable of storing energy, high in reliability, long in service life, small in size and low in cost. The system comprises a battery pack module, a full-bridge LLC voltage transformation module, an inversion driving module and a controller module. The full-bridge LLC module is tightly connected with the driving module and the battery pack module through the controller, the modules are independently isolated, and the controller is used for controlling all the modules, so that functions are achieved. The bidirectional energy storage inverter has the functions of charging, discharging, discharging while punching and the like. In the discharging process, DC voltage is input through the battery pack and transformed into high-voltage DC through the full-bridge LLC module