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|Type:||Artigo de periódico|
|Title:||Quasi-modes multiphase transmission line model|
|Abstract:||This article presents a new model to represent transmission lines including the frequency dependence of longitudinal parameters. The model uses the natural modes, for ideally transposed lines, and 'quasi-modes' for non-transposed lines, and is applied to lines that have a vertical symmetry plane. The line is represented through pi-circuits, with one pi-circuit for each mode. The transformation matrix is modeled using ideal transformers. The model is described for three-phase lines, de lines, double three-phase lines and six phase lines. A 440 kV three-phase transmission line illustrates it and is compared with a frequency dependent EMTP line model, the Semlyen one. (C) 1999 Elsevier Science S.A. All rights reserved.|
|Subject:||transmission line model|
|Editor:||Elsevier Science Sa|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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