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This paper proposes novel techniques for monitoring the oscillatory modes in wide-area using synchrophasors measurements. The oscillatory modes are identified through the Taylor-Kalman-Fourier, Alternating Kalman, and Taylor-Fourier digital filters, accomplishing a ringdown analysis. They are stated multidimensionally in order to process multiple channels from PMU data. The proposals are tested under...
This paper extends the method of frequency domain decomposition (FDD) towards real-time analysis of ambient PMU measurements in power systems for the purpose of oscillation monitoring. The main idea of FDD is to apply singular value decomposition (SVD) to the power density spectrum matrix. The resulting singular values correspond to individual modes under specific conditions. The damping ratio, modal...
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