Global Transient Stability and Voltage Regulation for Multimachine Power Systems

Mark Gordon, David J. Hill

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Abstract

This paper addresses simultaneously the major fundamental and difficult issues of nonlinearity, uncertainty, dimensionality and globality to derive performance enhancing power system stability control. The main focus is on simultaneous enhancement of transient stability and voltage regulation of power systems. This problem arises from the practical concern that both frequency and voltage control are important indices of power system control and operation but they are ascribed to different stages of system operation, i.e. the transient and post transient period respectively. The Direct Feedback Linearization (DFL) technique together with the robust control theory has been further developed and applied to design nonlinear excitation compensators which selectively eliminate system nonlinearities and deal with plant uncertainties and interconnections between generators. Then the so called global control law is implemented to coordinate transient stabilizer and voltage regulator for each machine. Digital simulation studies show that global control scheme achieves unified transient stability and voltage regulation in the presence of parametric uncertainties and significant sudden changes in the network topology.
Original languageEnglish
Title of host publicationIEEE Power Engineering Society General Meeting
PublisherIEEE
Publication date2008
Pages1-8
ISBN (Print)978-1-4244-1906-7
DOIs
Publication statusPublished - 2008
Event2008 IEEE Power Engineering Society General Meeting - Pittsburgh, PA, United States
Duration: 20 Jul 200824 Jul 2008

Conference

Conference2008 IEEE Power Engineering Society General Meeting
CountryUnited States
CityPittsburgh, PA
Period20/07/200824/07/2008

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