Device for measuring ground potential rise of transformer substation in frozen earth region

The utility model relates to a ground potential rise measuring device for a transformer substation in a frozen earth region, which comprises a shielding box, a high-voltage probe, a digital oscilloscope, a high-capacity lithium battery and an inverter are arranged in the shielding box, and the input end of the high-voltage probe is connected with a measuring lead for transmitting input voltage signals. The output end of the high-voltage probe is connected with the input end of a digital oscilloscope used for collecting signals subjected to voltage division through the high-voltage probe, the output end of the digital oscilloscope is connected with a data line, and collected data are output through the data line. The high-capacity lithium battery converts direct current output by the high-capacity lithium battery into alternating current through the inverter to supply power to the digital oscilloscope. Aiming at the characteristic of high soil resistivity in a high and cold frozen earth region, the test task o