Patent ID: 6483316
Filing Date: 2002-11-19
Classification: G01R,H02H

Abstract:
A partial discharge diagnosing system for diagnosing a partial discharge produced in a gas-insulated apparatus, said partial discharge diagnosing system comprising:a partial discharge signal detector for detecting a partial discharge signal representing a partial discharge produced by the gas-insulated apparatus; a signal analyzer for receiving the partial discharge signal detected by the partial discharge signal detector and analyzing the partial discharge signal; a diagnostic unit for determining a cause of said partial discharge on the basis of results of analysis made by said signal analyzer, provided with a diagnostic means for multiple conditional branching; and a display unit for displaying said results of diagnosis; wherein a diagnostic means of said diagnostic unit makes conditional branching to one of a plurality of second diagnostic means according to result of diagnosis made by a first diagnostic device, and obtains a result of diagnosis made by the second diagnostic means.