Data interaction system of substation equipment, method and device thereof and storage medium

The invention discloses a data interaction system of substation equipment, a method and a device thereof and a storage medium, and the method comprises the steps: obtaining an equipment identificationcode of target interaction equipment; determining an interactive data type and data flow direction information corresponding to the target interactive device according to the device identification code; and establishing data interaction with the target interaction device according to the interaction data type and the data flow direction information. The data interaction system of the transformersubstation equipment comprises a protection device, a merging device, a measurement and control device and an intelligent terminal, and the merging device is used for sending SV data and GOOSE data tothe measurement and control device; and the merging device is also used for receiving GOOSE data sent by the intelligent terminal. According to the invention, data directivity interaction and book interaction security between