Effect of load increase and power system stabilizer on stability delay margin of a generator excitation control system

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dc.authorid0000-0002-0057-2522
dc.contributor.authorSönmez, Şahin
dc.contributor.authorAyasun, Saffet
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2016
dc.departmentNiğde ÖHÜ, Mühendislik Fakültesi, Elektrik Elektronik Mühendisliği Bölümü
dc.description.abstractThis paper studies the impact of load increase and a power system stabilizer (PSS) on the stability delaymargin of a single-machine-infinite-bus system including an automatic voltage regulator. An analytical method isproposed to determine the stability delay margin of the excitation control system. The proposed method first eliminatestranscendental terms in the characteristic equation of the excitation system without making any approximation and transforms the transcendental characteristic equation into a regular polynomial. The key result of the elimination process is that the real roots of the new polynomial correspond to the imaginary roots of the transcendental characteristic equation. With the help of the new polynomial, it is also possible to determine the delay dependency of system stability and the root tendency with respect to the time delay. Delay margins are computed for various loading conditions and PSS gains. It is observed that the delay margin generally decreases as the PSS gain and load demand increase, resulting in a less stable system.
dc.identifier.doi10.3906/elk-1504-226
dc.identifier.endpage5194
dc.identifier.issn1300-0632
dc.identifier.issn1303-6203
dc.identifier.issue6
dc.identifier.scopus2-s2.0-85008462891
dc.identifier.scopusqualityQ3
dc.identifier.startpage5183
dc.identifier.trdizinid248487
dc.identifier.urihttps://dx.doi.org/10.3906/elk-1504-226
dc.identifier.urihttps://hdl.handle.net/11480/3735
dc.identifier.volume24
dc.identifier.wosWOS:000393327200048
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherScientific and Technological Research Council of Turkey
dc.relation.ispartofTurkish Journal of Electrical Engineering & Computer Sciences
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectGenerator Excitation Control
dc.subjectPower System Stabilizer
dc.subjectTime Delay
dc.subjectStability
dc.subjectDelay margin
dc.titleEffect of load increase and power system stabilizer on stability delay margin of a generator excitation control system
dc.typeArticle

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