Wide-band corona circuit model for transient simulations

TitleWide-band corona circuit model for transient simulations
Publication TypeJournal Article
Year of Publication1995
AuthorsMarti, J. R., F. Castellanos, and N. SANTIAGO
JournalPower Systems, IEEE Transactions on
Volume10
Pagination1003 -1013
Date Publishedmay.
ISSN0885-8950
Keywordscomputer simulation, corona, digital simulation, dynamic response, EMTP program, frequency response, lightning surge, overhead transmission lines, power overhead lines, power system analysis computing, power transmission lines, q-v measurements, software packages, surges, switching surges, topology, transient response, transient simulation, transmission line theory, travelling surges, wide-band corona circuit model
Abstract

Corona in overhead transmission lines is a highly nonlinear and nondeterministic phenomenon. Circuit models have been developed to represent its behaviour, but the response of these models is usually limited to a narrow set of frequencies. The circuit model presented in this paper achieves a much wider frequency response than previous models: (1) by matching more closely the topology of the circuit; and (2) by using a second-order circuit response to match the high-order dynamic response of the phenomenon. The resulting model is valid for a wide range of frequencies and is able to represent waveshapes from switching to lightning surges. The model is applied to the EMTP program and simulations of q-v measurements and travelling surges are presented

URLhttp://dx.doi.org/10.1109/59.387945
DOI10.1109/59.387945

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