Protection system of power system switch cabinet

The utility model relates to the technical field of power equipment. The utility model relates to the technical field of electric power systems, in particular to a protection system of an electric power system switch cabinet, which comprises a protection device integrated in the electric power system switch cabinet, an input keyboard arranged on a cabinet door of the electric power system switch cabinet and monitoring equipment in communication connection with the protection device. Wherein the protection device is connected with an external power supply, the protection device comprises a current detection device, a temperature detection device, a heat dissipation module, a processing module and a communication module, the processing module is respectively in communication connection withthe current detection device, the temperature detection device, the heat dissipation module and the input keyboard, and the processing module is connected with monitoring equipment through the communication module. The protec