Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 10, 2009
Patent Application Number
11008632
Date Filed
December 8, 2004
Patent Primary Examiner
Patent abstract
Electric power grids are usually constantly monitored for AC frequency. The monitoring of the AC frequency, however, usually does not reveal information that would indicate impending failure in the power grid. This document describes several techniques for detecting impending failure in the power grid by examining line data in the frequency domain.
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