Computation of singular and singularity induced bifurcation points of differential-algebraic power system model

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dc.contributor.authorAyasun, S
dc.contributor.authorNwankpa, CO
dc.contributor.authorKwatny, HG
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2004
dc.departmentNiğde ÖHÜ
dc.description.abstractIn this paper, we present an efficient algorithm to compute singular points and singularity-induced bifurcation points of differential-algebraic equations for a multimachine power-system model. Power systems are often modeled as a set of differential-algebraic equations (DAE) whose algebraic part brings singularity issues into dynamic stability assessment of power systems. Roughly speaking, the singular points are points that satisfy the algebraic equations, but at which the vector field is not defined. In terms of power-system dynamics, around singular points, the generator angles (the natural states variables) are not defined as a graph of the load bus variables (the algebraic variables). Thus, the causal requirement of the DAE model breaks down and it cannot predict system behavior. Singular points constitute important organizing elements of power-system DAE models. This paper proposes an iterative method to compute singular points at any given parameter value. With a lemma presented in this paper, we are also able to locate singularity induced bifurcation points upon identifying the singular points. The proposed method is implemented into voltage stability toolbox and simulations results are presented for a 5-bus and IEEE 118-bus systems.
dc.identifier.doi10.1109/TCSI.2004.832741
dc.identifier.endpage1538
dc.identifier.issn1549-8328
dc.identifier.issn1558-0806
dc.identifier.issue8
dc.identifier.scopus2-s2.0-4344696200
dc.identifier.scopusqualityQ1
dc.identifier.startpage1525
dc.identifier.urihttps://dx.doi.org/10.1109/TCSI.2004.832741
dc.identifier.urihttps://hdl.handle.net/11480/5648
dc.identifier.volume51
dc.identifier.wosWOS:000223445400010
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relation.ispartofIEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectdifferential-algebraic equations (DAEs)
dc.subjectpower systems
dc.subjectsingular points
dc.subjectsingularity-induced bifurcations
dc.titleComputation of singular and singularity induced bifurcation points of differential-algebraic power system model
dc.typeArticle

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