Charging system based on multi-source input and cell stack energy storage

The utility model discloses a charging system based on multi-source input and battery stack energy storage. The charging system comprises a clean energy and traditional energy input part, a storage battery pack energy storage part and a high-power output management part. The storage battery pack energy storage part comprises a group of battery packs which are connected in parallel, a charging anddischarging management control module and a safety state detection module; the high-power output management part is composed of one or more parallel conversion modules adopting parallel current sharing control, and the single conversion module performs DC-DC conversion on the direct-current bus; and the output end of the high-power output management part is connected with the charging pile and communicates with the charging pile to obtain target electric energy parameters. According to the utility model, the impact and pollution to the power grid can be reduced when the high-power charger of the electric automobile is