Properties of the Frequency-Amplitude Curve

The frequency-amplitude (F-A) curve has been proposed to characterize the electromechanical oscillation frequency of a single-machine-infinite-bus (SMIB) system considering nonlinearity of the swing equation. For a multi-machine system, the F-A curve regarding one oscillation mode is a projection of...

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Veröffentlicht in:	IEEE transactions on power systems 2017-01, Vol.32 (1), p.826-827
Hauptverfasser:	Wang, Bin, Su, Xiaowen, Sun, Kai
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplitudes electromechanical oscillation F-A curve nonlinear oscillation Nose Numerical stability oscillation frequency (OF) Oscillation modes Oscillators Power engineering Power system stability Stability analysis
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Zusammenfassung:	The frequency-amplitude (F-A) curve has been proposed to characterize the electromechanical oscillation frequency of a single-machine-infinite-bus (SMIB) system considering nonlinearity of the swing equation. For a multi-machine system, the F-A curve regarding one oscillation mode is a projection of the system trajectory between the stable equilibrium point and the stability boundary onto the F-A plane. This letter provides rigorous proofs of six general properties of the F-A curve.
ISSN:	0885-8950 1558-0679
DOI:	10.1109/TPWRS.2016.2553583