New indices using EMD decomposition of voltage trajectories, Lyapunov Exponents on components, and KL divergence to a critical signal enable faster quantitative assessment of short-term voltage stability than direct LE methods.
Lyapunov characteristic exponents for smooth dynamical systems and for hamil- tonian systems; a method for computing all of them. part 1: Theory,
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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.
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Trajectory-Based Nonlinear Indices for Real-Time Monitoring and Quantification of Short-Term Voltage Stability
New indices using EMD decomposition of voltage trajectories, Lyapunov Exponents on components, and KL divergence to a critical signal enable faster quantitative assessment of short-term voltage stability than direct LE methods.
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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.