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Insulated device diagnosing system for diagnosing device based upon partial discharge signal data analyzed by frequency

  • US 5,982,181 A
  • Filed: 12/08/1997
  • Issued: 11/09/1999
  • Est. Priority Date: 12/09/1996
  • Status: Expired due to Term
First Claim
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1. An insulated device diagnosing system comprising:

  • an antenna provided in an insulated device;

    a pattern generator for receiving a partial discharge signal from said antenna, said partial discharge signal resulting from electromagnetic wave energy of a partial discharge received by said antenna, and preparing detection data from the partial discharge signal such that periodic elements are given to a plurality of specific frequencies of the partial discharge signal;

    a neuro computer or a finger printing method operation unit for processing the detection data prepared by said pattern generator; and

    a judgment unit for diagnosing an extent of abnormality, a deterioration, or lifetime of said insulated device from the operation result of said neuro computer or finger printing method operation unit.

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