Voltage stability and controllability indices for multimachine power systems

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dc.contributor.author Vournas, CD en
dc.date.accessioned 2014-03-01T01:11:35Z
dc.date.available 2014-03-01T01:11:35Z
dc.date.issued 1995 en
dc.identifier.issn 0885-8950 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/11718
dc.subject Efficient Algorithm en
dc.subject Indexation en
dc.subject multimachine power system en
dc.subject Power System en
dc.subject Synchronous Generator en
dc.subject Voltage Collapse en
dc.subject Voltage Stability en
dc.subject.classification Engineering, Electrical & Electronic en
dc.subject.other Algorithms en
dc.subject.other Differential equations en
dc.subject.other Eigenvalues and eigenfunctions en
dc.subject.other Electric loads en
dc.subject.other Linearization en
dc.subject.other Matrix algebra en
dc.subject.other Sensitivity analysis en
dc.subject.other Synchronous generators en
dc.subject.other System stability en
dc.subject.other Vectors en
dc.subject.other Voltage control en
dc.subject.other Admittance matrix en
dc.subject.other Jacobian submatrices en
dc.subject.other Multimachine power system en
dc.subject.other Voltage collapse en
dc.subject.other Voltage controllability index en
dc.subject.other Voltage stability index en
dc.subject.other Electric power systems en
dc.title Voltage stability and controllability indices for multimachine power systems en
heal.type journalArticle en
heal.identifier.primary 10.1109/59.466538 en
heal.identifier.secondary http://dx.doi.org/10.1109/59.466538 en
heal.language English en
heal.publicationDate 1995 en
heal.abstract This paper presents a voltage stability index (VSI) and a voltage controllability index (VCI), related to the eigenvalues of mxm matrices in a multimachine power system made up of m synchronous generators and a number of infinite buses. System loads can have an arbitrary voltage sensitivity described by generalized voltage exponents, These nonlinear loads are linearized around an operating point and incorporated into a modified ''admittance'' matrix; which is subsequently reduced to the generator terminals using an efficient algorithm and sparsity techniques. The indices proposed are tested in a practical system and it is demonstrated that they provides a timely warning during a sequence of events leading to voltage collapse. en
heal.publisher IEEE, Piscataway, NJ, United States en
heal.journalName IEEE Transactions on Power Systems en
dc.identifier.doi 10.1109/59.466538 en
dc.identifier.isi ISI:A1995RR79500006 en
dc.identifier.volume 10 en
dc.identifier.issue 3 en
dc.identifier.spage 1183 en
dc.identifier.epage 1194 en

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