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Closest security boundary for improving oscillation damping through generation redispatch using eigenvalue sensitivities

Parreiras, TJMA; Gomes, S; Taranto, Glauco Nery; Uhlen, Kjetil
Journal article, Peer reviewed
Accepted version
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URI
http://hdl.handle.net/11250/2596057
Date
2018
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  • Institutt for elkraftteknikk [1597]
  • Publikasjoner fra CRIStin - NTNU [21000]
Original version
Electric power systems research. 2018, 160 119-127.   10.1016/j.epsr.2018.02.010
Abstract
This paper proposes an algorithm for determining a minimum generation redispatch capable of moving specific oscillation modes to the closest small-signal security boundary that guarantees them a desired damping factor. The algorithm combines nonlinear optimization techniques with numerical eigenvalue sensitivities obtained from multiple runs of a load flow solver and partial eigensolutions. The algorithm, namely Closest Security Boundary for Generation Redispatch using Eigenvalue Sensitivities (CSBGRES) relies on sparse matrices and is applicable to large-scale power systems. The work presents results on the Brazilian Interconnected Power System (BIPS) and the Nordic 44 Test System (N44S).
Publisher
Elsevier
Journal
Electric power systems research

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