Simulation of transients on transmission lines with corona via the method of characteristics

TitleSimulation of transients on transmission lines with corona via the method of characteristics
Publication TypeJournal Article
Year of Publication1995
AuthorsNaredo, J. L., A. C. Soudack, and J. R. Marti
JournalGeneration, Transmission and Distribution, IEE Proceedings-
Pagination81 -87
Date Publishedjan.
Keywordscorona, dynamic corona models, eigenvalues and eigenfunctions, eigenvector method, fast transients, faults, lightning, method of characteristics, nonlinear equations, nonlinear transients, power system transients, power transmission lines, single-phase lines, transients simulation, transmission line theory, transmission lines

Fast transients on power transmission systems, such as those produced by lightning and faults, are usually modelled by the Telegrapher's Equations. Because of corona, these equations are often nonlinear. It has long been recognised that the method of characteristics provides considerable advantages in dealing with these equations. To the best of the authors' knowledge, the first successful application of the eigenvector method of characteristics to nonlinear transients on lines is reported in this paper. In its present stage, the method described here can handle only single-phase lines with a static representation of corona. Nevertheless, this method lends itself to extensions that permit the handling of polyphasic lines, as well as the inclusion of dynamic corona models


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