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System and method for compensating for potential and current transformers in energy meters

  • US 20080125986A1
  • Filed: 11/30/2007
  • Published: 05/29/2008
  • Est. Priority Date: 10/18/2004
  • Status: Active Grant
First Claim
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1. A meter device for measuring electrical energy comprising:

  • circuitry for measuring at least one parameter of electrical energy monitored by the meter device;

    a storage device for storing at least one calibration factor for compensating for errors associated with at least one of at least one external current transformer (CT) and at least one external potential transformer (PT) that operates on the electrical energy provided to the meter device;

    at least one processor for processing the at least one calibration factor for adjusting the measured at least one parameter of electrical energy for compensating for the errors when measuring the at least one parameter of electrical energy; and

    at least one communication port for receiving the at least one calibration factor from an external device.

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