Intelligent power grid monitoring protection system

The utility model discloses an intelligent power grid monitoring protection system which comprises a main control unit, a real-time protection control unit, a current monitoring unit, an arc light sensor, a temperature sensor, an arc light probe, an arc light luminous source and an infrared temperature sensor, wherein the arc light sensor converts an optical signal received by the arc light probe into an electric signal and transfers the electric signal to the real-time protection control unit; the real-time protection control unit receives the signals of the temperature sensor and the current monitoring unit, and controls the action of an electric brake according to the signals of the arc light sensor, the temperature sensor and the current monitoring unit; the main control unit is electrically connected with the real-time protection control unit and electrically connected with the infrared temperature sensor; and the arc light luminous source emits analog arc light for checking whether the arc light probe and the arc light sensor fail according to an instruction of the main control unit. Through the utility model, the aim of reliably protecting the circuit system is achieved.