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March 1, 2001IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications

Is strong modal resonance a precursor to power system oscillations?

Ian Dobson J. Zhang Scott Greene Henrik Engdahl P.W. Sauer

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Abstract

We suggest a new mechanism for interarea electric power system oscillations in which two oscillatory modes interact near a strong resonance to cause one of the modes to subsequently become unstable. The possibility of this mechanism for oscillations is shown by theory and computational examples. Theory suggests that passing near strong resonance can be expected in general power system models. The mechanism for oscillations is illustrated in 3 and 9 bus examples with detailed generator models. 1

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Dobson et al. (2001) studied this question.

synapsesocial.com/papers/6a84232385a95bb87468c37b https://doi.org/10.1109/81.915389

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