Journal
IEEE TRANSACTIONS ON POWER SYSTEMS
Volume 23, Issue 3, Pages 1188-1195Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2008.922226
Keywords
electromechanical dynamics; mode shape; small-signal stability; synchronized phasor measurements
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A theoretical basis and signal-processing approach for estimating a power system's electromechanical mode-shape properties using time-synchronized phasor measurements are presented. The relationship between modal eigenvectors and measurable power system quantities are derived. Spectral correlation analysis is used to implement the approach with demonstrative examples. This includes simulation examples as well as measured data from the western North American power system.
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