Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/241529
Type: Artigo de periódico
Title: Alternative Phase-domain Model For Multi-conductor Transmission Lines Using Two Modal Transformation Matrices
Author: de Carvalho
Carolina Goulart; Marques Costa
Eduardo C.; Kurokawa
Sergio; Pissolato
Jose
Abstract: A new model for multi-conductor transmission lines is proposed based on an alternative modal decoupling technique. The line decoupling is accomplished using two modal transformation matrices: the real and constant Clarke's matrix and a reduced frequency-dependent matrix for decoupling the remaining mutual terms in the impedance and admittance matrices (quasi-modes). This procedure results in a simplematrix formulation in the frequency domain, which time-domain results can be obtained using inverse transforms. The proposed line model provides accurate results because the phases of a multi-conductor line are decoupled into exact propagation modes from a second modal transformation, using a reduced frequency-dependent matrix. Each propagation mode is modeled in the frequency domain as three independent two-port circuits. The proposed model is evaluated in the frequency and time domains based on results obtained from the line modeling using the exact modal transformation matrix of the line. The advantage of the proposed line model is the simplified modeling based on a constant and real matrix and a reduced matrix with dimension two per two instead a frequencydependent transformation matrix with dimension three per three.
Subject: Transients
Parameters
Country: PHILADELPHIA
Editor: TAYLOR & FRANCIS INC
Citation: Alternative Phase-domain Model For Multi-conductor Transmission Lines Using Two Modal Transformation Matrices. Taylor & Francis Inc, v. 44, p. 291-301 FEB-2016.
Rights: embargo
Identifier DOI: 10.1080/15325008.2015.1110733
Address: http://www.tandfonline.com/doi/full/10.1080/15325008.2015.1110733
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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