2017
DOI: 10.17533/udea.redin.n82a04
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Identification of low frequency oscillation modes in large transmission systems

Abstract: ABSTRACT:There is a typical dynamical performance associated with every system.Oscillations are phenomena inherent to dynamical systems and the analysis of such phenomena is a fundamental issue for understanding the dynamical behavior of a particular system. Knowledge of the system natural modes, frequencies and its associated damping ratio, provide valuable information regarding the system performance after being subjected to a disturbance. Due to the operational requirements, topological changes in the trans… Show more

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Cited by 5 publications
(2 citation statements)
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“…Hence, the output of each weight function closer to 1 represents better time-domain system performance. Since the damping ratio ζ dom of the dominant system mode falls into the interval (0, 1) and indicates better system dynamic properties when it tends to a value of 1, as the s-domain system performance measure, the damping ratio is comparable with the proposed weight functions (6)- (8). It follows that a new weight function based on the damping ratio-Γ(ζ) can be presented as:…”
Section: Pss Tuning Algorithmmentioning
confidence: 95%
See 1 more Smart Citation
“…Hence, the output of each weight function closer to 1 represents better time-domain system performance. Since the damping ratio ζ dom of the dominant system mode falls into the interval (0, 1) and indicates better system dynamic properties when it tends to a value of 1, as the s-domain system performance measure, the damping ratio is comparable with the proposed weight functions (6)- (8). It follows that a new weight function based on the damping ratio-Γ(ζ) can be presented as:…”
Section: Pss Tuning Algorithmmentioning
confidence: 95%
“…One of the challenges for PSS implementation in a multi-machine system is to find an optimal PSS location. Participation factor analysis shows the impact of each generator on the system state variables and thus indicates the location where PSS should be implemented [8]. Participation factors can be found for both monotone and oscillatory The main structure of the PSS presented in Figure 2 (also known in [39] as PSS1A), consists of the gain, wash-out filter, and phase compensation blocks (lead-lag filters).…”
Section: Introductionmentioning
confidence: 99%