Monitoring and evaluating method and system for energy storage frequency modulation of unit

The invention relates to the technical field of energy storage frequency modulation, and provides a monitoring evaluation method and system for energy storage frequency modulation of a unit, and the method comprises the steps: obtaining a target generator set; performing real-time operation data acquisition on the target generator set to obtain a set operation data set; modeling by using the unit operation data set, and outputting a first unit model; an energy storage parameter set of an energy storage device is obtained, and the energy storage device is connected with the target generator set; performing data monitoring on the power grid of the target generator set to obtain a power grid frequency monitoring data set; based on the first unit model, performing energy storage frequency modulation risk assessment on the power grid frequency monitoring data set and the energy storage parameter set to obtain a first frequency modulation risk coefficient; and generating first safety early warning information accor