# Representação de linhas de transmissão, utilizando elementos discretos de circuitos, no domínio das fases

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2012-03-02

## Autores

Kurokawa, Sérgio

Engenharia Elétrica - FEIS

Acesso aberto

## Resumo

### Resumo (inglês)

This paper will show the development of two models of transmission lines, based on discrete circuit elements, which provide answers directly in the time domain and phase. The two proposed models start from the assumption that a small segment of transmission line can be represented by a -circuit, this hypothesis has already been validated for single-phase by several authors and this work will be used to represent small segments of lines biphasic and triphasic. Thus, these lines will be represented by a large number of blocks (consisting of discrete circuit elements that represent a small segment of the line) in cascade. In the first model, valid for ideally transposed lines represent the phases of each small line segments are separated into their modes of propagation and the currents and voltages are calculated in the modal domain. However the conversion phase-mode-phase is inserted into the state equations describing the currents and voltages along the line being that there is no need for the user the model to know representation theory of modal lines. Since the model does not explicitly use modal decomposition process, this paper it will be considered to be a model developed in the field of the phases without the explicit use of modal decomposition theory. This model can be used to represent lines that may have decoupled phases for real matrices and invariant with respect to frequency. The representation of small line segments by discrete circuit elements has also been applied in biphasic and triphasic lines without vertical symmetry plane. In this case, due to the fact that the matrices that separate line in their modes of propagation are not real and invariant with respect to frequency, the model was developed directly in the field of the phases without the use of modal decomposition matrices

Português

## Como citar

SILVA, Rodrigo Cleber da. Representação de linhas de transmissão, utilizando elementos discretos de circuitos, no domínio das fases. 2012. 92 f. Dissertação (mestrado) - Universidade Estadual Paulista, Faculdade de Engenharia de Ilha Solteira, 2012.