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Timely detection of the start time and location of disturbance is critical to power grid. The information helps operators quickly catch the disturbance events over wide areas and allows time for taking remedial reactions. In this paper, we proposed to detect the start time point of disturbance using Singular Spectrum Analysis (SSA), which has been proved to be an effective technique in the area of...
A time-limited pseudo-random signal is an important component in perturbation signals during a system identification procedure. In this paper, a finite-time duration pseudo-random waveform with desired continuous spectral features is generated using an extended time-frequency domain swapping algorithm. Multi-sine waveforms are used as initial waveforms. Through iterations, the waveform is polished...
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