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Systems for improved monitoring accuracy of intelligent electronic devices

  • US 6,671,635 B1
  • Filed: 02/23/2001
  • Issued: 12/30/2003
  • Est. Priority Date: 02/23/2001
  • Status: Active Grant
First Claim
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1. A method of accurately monitoring electrical energy with an intelligent electronic device and a metering sensor, the method comprising:

  • testing the metering sensor In varying operating conditions;

    empirically developing at least one characteristic curve as a function of the varying operating conditions that affect accuracy;

    monitoring the varying operating conditions with an intelligent electronic device coupled with an output of the metering sensor; and

    dynamically selecting when to apply the at least one characteristic curve to the output of the metering sensor as a function of the varying operating conditions.

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