Station network interaction control method for electric vehicle charging station group

The invention provides a station network interaction control method for an electric vehicle charging station group, and the method comprises the steps: S1, carrying out the modeling of a power grid frequency modulation module in a power system, and respectively building a generator mathematical model and a load mathematical model; s2, establishing an automatic power generation control model, and determining components of a generator set and an electric bus station group participating in frequency modulation; s3, calculating the controllable capacity of the electric vehicle based on the generator mathematical model and the load mathematical model established in the step S1 and the automatic power generation control model established in the step S2; and S4, on the basis of the controllable capacity, calculated in the step S3, of the electric vehicle, a charging station group participates in a distribution network frequency modulation strategy, and a method for the charging station to support the power grid freq