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Article: Robust decentralized nonlinear controller design for multimachine power systems

TitleRobust decentralized nonlinear controller design for multimachine power systems
Authors
KeywordsDecentralized Control
Linearization
Nonlinear Systems
Power System Control
Robust Control
Issue Date1997
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/automatica
Citation
Automatica, 1997, v. 33 n. 9, p. 1725-1733 How to Cite?
AbstractIn this paper, a robust decentralized excitation control scheme is proposed for multimachine power system transient stability enhancement. First, a direct feedback linearization (DFL) compensator through the excitation loop is designed to eliminate the nonlinearities and interconnections of the multimachine power system. Then, a robust decentralized controller is proposed to guarantee the asymptotic stability of the DFL compensated system considering the effects of plant parametric uncertainties and remaining nonlinear interconnections. The design procedure for an n-machine power system involves in solving n Riccati equations. In the design of the robust nonlinear decentralized controller, only the bounds of generator parameters need to be known, but not the transmission network parameters, system operating points or the fault locations. Since the proposed robust nonlinear decentralized controller can guarantee the stability of the large scale power system within the whole operating region for all admissible parameters, transient stability of the overall system can be greatly enhanced. The design procedure is tested on a three-machine example power system. Simulation results show that the proposed control scheme can greatly enhance the transient stability of the system regardless of the network parameters, operating points and fault locations. © 1997 Elsevier Science Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/169652
ISSN
2015 Impact Factor: 3.635
2015 SCImago Journal Rankings: 4.315
References

 

DC FieldValueLanguage
dc.contributor.authorWang, Yen_US
dc.contributor.authorGuo, Gen_US
dc.contributor.authorHill, DJen_US
dc.date.accessioned2012-10-25T04:54:02Z-
dc.date.available2012-10-25T04:54:02Z-
dc.date.issued1997en_US
dc.identifier.citationAutomatica, 1997, v. 33 n. 9, p. 1725-1733en_US
dc.identifier.issn0005-1098en_US
dc.identifier.urihttp://hdl.handle.net/10722/169652-
dc.description.abstractIn this paper, a robust decentralized excitation control scheme is proposed for multimachine power system transient stability enhancement. First, a direct feedback linearization (DFL) compensator through the excitation loop is designed to eliminate the nonlinearities and interconnections of the multimachine power system. Then, a robust decentralized controller is proposed to guarantee the asymptotic stability of the DFL compensated system considering the effects of plant parametric uncertainties and remaining nonlinear interconnections. The design procedure for an n-machine power system involves in solving n Riccati equations. In the design of the robust nonlinear decentralized controller, only the bounds of generator parameters need to be known, but not the transmission network parameters, system operating points or the fault locations. Since the proposed robust nonlinear decentralized controller can guarantee the stability of the large scale power system within the whole operating region for all admissible parameters, transient stability of the overall system can be greatly enhanced. The design procedure is tested on a three-machine example power system. Simulation results show that the proposed control scheme can greatly enhance the transient stability of the system regardless of the network parameters, operating points and fault locations. © 1997 Elsevier Science Ltd.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/automaticaen_US
dc.relation.ispartofAutomaticaen_US
dc.subjectDecentralized Controlen_US
dc.subjectLinearizationen_US
dc.subjectNonlinear Systemsen_US
dc.subjectPower System Controlen_US
dc.subjectRobust Controlen_US
dc.titleRobust decentralized nonlinear controller design for multimachine power systemsen_US
dc.typeArticleen_US
dc.identifier.emailHill, DJ:en_US
dc.identifier.authorityHill, DJ=rp01669en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0031222355en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031222355&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume33en_US
dc.identifier.issue9en_US
dc.identifier.spage1725en_US
dc.identifier.epage1733en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridWang, Y=7601491976en_US
dc.identifier.scopusauthoridGuo, G=7402768192en_US
dc.identifier.scopusauthoridHill, DJ=35398599500en_US

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