Apparatus and method for diagnosis of power appliances.

摘要

Disclosed is a power appliance diagnosis apparatus which comprises a plurality of detectors (10, 20, 30) provided on outer surfaces of gas-insulated casings (2) of a power appliance (1) and for detecting the state of an insulating function and/or a current conduction function of the power appliance, a switch (40) for time-divisionally taking-in detection signals of the plurality of detectors, a frequency analyzer (50) for performing frequency analysis on the detection signals taken in by the switch, and a controller (72) for performing switching control on the switch means.