Power grid failure detection system and method
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United States of America Patent
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Feb 10, 2009
Grant Date -
Jun 30, 2005
app pub date -
Dec 8, 2004
filing date -
Dec 9, 2003
priority date (Note) -
In Force
status (Latency Note)
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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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