Battery energy storage system operation control method, device, equipment and medium

The invention discloses a battery energy storage system operation control method and device, equipment and a medium, and the method comprises the steps: obtaining and analyzing an equivalent circuit model corresponding to an all-vanadium redox flow battery energy storage system, constructing a target all-vanadium redox flow battery model, and obtaining target operation data and target charge state data corresponding to a current moment; inputting the target operation data and the target charge state data into a target all-vanadium redox flow battery model, determining target adjustment data, determining target instantaneous system efficiency by adopting the target adjustment data and the target charge state data, and retrieving a preset adjustment data key value pair database by adopting the target instantaneous system efficiency, the target flow velocity actual value and the target current actual value corresponding to the target instantaneous system efficiency are matched, and the corresponding flow velocit