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A novel fast method based on phasor measurement units (PMU) measurements for transient stability prediction is presented in this paper. The method simulates various faults of a system off-line and records all rotor angle trajectories. Then a characteristic trajectory set is obtained for each generator using hierarchical cluster algorithm (HCA) and a perturbed trajectory standard pattern database (PTSPD)...
A method to analyze stability on a multi-machine power system was developed. For steady state estimation the phasor voltages and angles were used to calculate the frequency deviations. The calculated frequency deviations were then filtered by an FFT filter to extract the power oscillations. By linearly approximating a set of differential equations, the eigenvalues for the system were identified from...
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