Electric system high-voltage line rapid phasing device and usage method thereof

The invention discloses an electric system high-voltage line rapid phasing device. The device comprises a shell, and an exciting component and a feedback component arranged in the shell, wherein the exciting component comprises a DC high voltage module and an output channel switching module, an input end of the output channel switching module is connected with the DC high voltage module, an outputend of the output channel switching module is connected with one end of each phase of a high voltage line, the feedback component comprises a current measurement module, a processor and a data outputmodule, the input end of the current detection module is connected with an earth return, the output end of the current detection module is connected with the input end of the processor, and the output end of the processor is connected with the data output module. The invention also discloses a usage method of the electric system high-voltage line rapid phasing device. Compared with the existing insulation resistance meter