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Apparatus and method for measuring and reporting the reliability of a power distribution system with improved accuracy

  • US 6,611,773 B2
  • Filed: 12/27/2000
  • Issued: 08/26/2003
  • Est. Priority Date: 11/28/2000
  • Status: Active Grant
First Claim
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1. An intelligent electronic device (“

  • IED”

    ) comprising;

    a first interface operative to couple said IED with an electrical power distribution network;

    a measurement component coupled with said first interface and operative to measure one or more parameters of said electrical power distribution network, said one or more parameters including disturbance time, total system downtime and total system runtime;

    a reliability processor coupled with said measurement component and operative to receive said one or more parameters and compute a reliability value of said electrical power distribution network as a closest integer value to

    log10

    (Disturbance





    Time
    +Total





    System





    Downtime
    Total





    System





    Runtime
    )


    ;

    embedded image

    and a reporting module coupled with said reliability processor and operative to receive said reliability value and report said reliability value as an indication of the reliability of said power distribution network.

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