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Online diagnostic system for rotating electrical apparatus

  • US 5,485,491 A
  • Filed: 03/31/1994
  • Issued: 01/16/1996
  • Est. Priority Date: 03/31/1994
  • Status: Expired due to Term
First Claim
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1. An online system for diagnosing operability of a rotating electrical power conversion apparatus, said system comprising:

  • sensing means for sensing at least one operating condition of said rotating electrical power conversion apparatus and producing a corresponding at least one electrical variable;

    data conversion means for converting the at least one electrical variable to a corresponding at least one value;

    comparison means for comparing the at least one value to a corresponding at least one predetermined baseline value of said rotating electrical power conversion apparatus and producing a corresponding at least one comparison value; and

    signalling means for outputting at least one signal related to a period of predicted operability of said rotating electrical power conversion apparatus whenever the at least one comparison value exceeds a corresponding at least one predetermined deadband value.

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