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An accurate awareness of characteristics of the electromechanical oscillation modes is essential for the secure operation of the power systems. The random decrement technique (RDT) is used with the multi reference point complex index (PRCE) which was formerly applied to analyze the vibration characteristics of mechanism structures to estimating the inter-area electromechanical modes during ambient...
A method of estimating the electromechanical parameters using ambient data is presented in this paper. The approach consists of two steps: 1) using the random decrement technique (RDT) to get the free decay response from ambient data and 2) applying the TLS-ESPRIT algorithm to estimate the mode frequencies and damping ratios from these free decay responses estimated by RDT. The performance of the...
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