Medium-voltage self-monitoring and fault positioning system based on smart cable

The invention relates to the technical field of smart cable fault monitoring, and provides a smart cable-based medium-voltage self-monitoring and fault positioning system, which comprises an optical fiber sensing signal receiving terminal, a fault positioning terminal, a smart cable self-monitoring parameter acquisition terminal and a monitoring early warning terminal, the optical fiber sensing signal receiving terminal is used for receiving an optical fiber sensing signal from the smart cable; an optical fiber sensing module is arranged in the smart cable along the length direction of the cable; the optical fiber sensing module is used for providing an optical fiber sensing signal; the fault positioning terminal is used for analyzing temperature data of each part of the smart cable according to the optical fiber sensing signal, judging and positioning the fault position of the smart cable, and generating fault positioning information; the smart cable self-monitoring parameter acquisition terminal is used for