Power transmission line fault positioning and collecting system

The invention provides a power transmission line fault positioning data acquisition system comprising four ADC acquisition channels used for acquiring power transmission line fault positioning signals; the PP1S module is used for providing an accurate 1s signal for the FPGA module; the two SRAMs are used for storing the sampled fault positioning signals; the external crystal oscillator is used for providing a stable clock signal; the FPGA module is used as a main processor and is used for acquiring fault positioning signals of the power transmission line; the ARM is used as a control peripheral and controls the FPGA to read and store corresponding fault positioning signals through corresponding instructions; the FPGA module comprises an ADC interface module, an ADC sampling module, a read-write control module, an SRAM data read-write module, an SRAM interface module, a clock module, a trigger module, a register configuration module, an extreme value module, a latch module and an interrupt module. 本发明提供了一种输电线路