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Type: Artigo de periódico
Title: Mode domain multiphase transmission line model - Use in transient studies
Author: Tavares, MC
Pissolato, J
Portela, CM
Abstract: This paper presents a new model to represent multiphase transmission lines in transient studies, including the frequency dependence of longitudinal parameters. The model uses the exact modes, for ideally transposed lines, and 'quasi-modes' for non-transposed lines, For the latter it is necessary to have a vertical symmetry plane, The frequency dependence is represented with synthetic circuits, with one pi-circuit for each mode. The transformation matrix used for the entire frequency range is the Clarke's one and as it is a real matrix it is modeled through ideal transformers. The model is described for three-phase lines and double three-phase lines, An application of the methodology is presented for a 440 kV single three-phase transmission line where it is made mode analysis, statistical energization and frequency scan analysis, The simulations are performed in EMTP with the proposed model and with a frequency dependent EMTP line model, the Semlyen one, supposing the line transposed anti non-transposed.
Subject: transmission line model
frequency dependence
mode domain
transformation matrix
Country: EUA
Editor: Ieee-inst Electrical Electronics Engineers Inc
Citation: Ieee Transactions On Power Delivery. Ieee-inst Electrical Electronics Engineers Inc, v. 14, n. 4, n. 1533, n. 1544, 1999.
Rights: fechado
Identifier DOI: 10.1109/61.796251
Date Issue: 1999
Appears in Collections:Unicamp - Artigos e Outros Documentos

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