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Intelligent electronic device and method thereof

  • US 8,078,418 B2
  • Filed: 03/27/2008
  • Issued: 12/13/2011
  • Est. Priority Date: 01/27/2005
  • Status: Active Grant
First Claim
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1. An intelligent electronic device (IED) having enhanced power quality and communications capabilities, the IED comprising:

  • (a) at least one input channel for receiving AC voltages and currents,(b) at least one sensor for sensing the at least one input voltage and current channel,(c) at least one analog to digital converter for outputting digitized signals, and(d) a processing system including;

    a volatile memory and a non-volatile memory for storing captured waveform samples from at least one of said at least one analog to digital converter,a means to store waveform samples from said volatile memory to said non-volatile memory, anda means to trigger to store said waveform samples based on an adaptive algorithm.

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