Real-Time and Off-Line Tools for Monitoring and Analysis of Power System Components
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United States of America Patent
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Issued Date -
Oct 25, 2012
app pub date -
Apr 19, 2011
filing date -
Apr 19, 2011
priority date (Note) -
Abandoned
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Abstract
Various methods and systems are provided for impulse response monitoring in power systems. In one embodiment, a method includes obtaining raw power system data associated with a power system, cross-correlating the raw power system data with a synchronized pseudo-random sequence signal injected into the power system to determine a correlated impulse response and determining a condition of the power system based at least in part upon the correlated impulse response. In another embodiment, a system includes a plurality of signal injection systems and a data capture device coupled to a power system. A data analysis device cross-correlates raw power system data obtained by the data capture device with at least one synchronized pseudo-random sequence signal injected by a signal injection system and determines a condition of the power system based at least in part upon a frequency spectrum based upon a correlated impulse response.
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