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When generators of a power system are subject to a large disturbance, their electromechanical oscillations (EOs) are essentially nonlinear as observed from their rotor angle waveforms due to the nonlinear power network. However, traditional modal analysis has not given enough considerations to nonlinearities in EOs. This paper analytically formulates the accurate oscillation frequency (OF) of an EO...
This paper presents an online monitoring system for operator situation awareness using real-time synchrophasor measurements developed under a DOE R&D and demonstration project. The system provides wide area power system visualization, near real-time event replay and early warning of potential stability problems. The technologies implemented in this system include the memory residence object oriented...
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