Controllability of AC Power Networks With DC Lines

Controllability of AC Power Networks With DC Lines

We analyze the effect of DC lines on the controllability of AC power networks. We study the spectra of the controllability Gramian as a function of the addition of DC lines. We show that the trace of the controllability Gramian, which represents average controllability, is maximized when DC lines li...

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Veröffentlicht in:IEEE transactions on power systems 2021-03, Vol.36 (2), p.1649-1651
Hauptverfasser: Pirani, Mohammad, Taylor, Joshua A.
Format: Artikel
Sprache:eng
Schlagworte:
Controllability
controllability Gramian
Damping
Direct current
Eigenvalues and eigenfunctions
Generators
Laplace equations
Power system stability
Reactance
Transient analysis
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Zusammenfassung:We analyze the effect of DC lines on the controllability of AC power networks. We study the spectra of the controllability Gramian as a function of the addition of DC lines. We show that the trace of the controllability Gramian, which represents average controllability, is maximized when DC lines link node pairs with large effective reactance in the AC network.
ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2020.3042381