A measurement-based STVSI decomposes voltage trajectories via EMD and applies entropy on Lyapunov exponents to detect and grade short-term voltage instability from OEL activation or oscillations, validated on Nordic system simulations.
Model-free mle estimation for online rotor angle stability assessment with pmu data,
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Novel Data-Driven Indices for Early Detection and Quantification of Short-Term Voltage Instability from Voltage Trajectories
A measurement-based STVSI decomposes voltage trajectories via EMD and applies entropy on Lyapunov exponents to detect and grade short-term voltage instability from OEL activation or oscillations, validated on Nordic system simulations.