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Method and System for Detecting Transients in Power Grids

  • US 20130158903A1
  • Filed: 11/15/2012
  • Published: 06/20/2013
  • Est. Priority Date: 12/19/2011
  • Status: Abandoned Application
First Claim
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1. A method for detecting a condition in a power grid, comprising the steps of:

  • modeling a normal condition hypothesis as a sinusoid, and a transient condition hypothesis as a sum of damped sinusoids;

    constructing a probability density function (pdf) from voltage samples in the grid; and

    comparing a likelihood ratio based on the pdf and the hypotheses to a threshold to determine the condition, wherein the steps are performed in a processor.

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