Um Modelo para Condutores Múltiplos considerando a Distribuição da Corrente nos Subcondutores
(A Model for Bundled Conductors Considering a Non-Homogeneous Distribution of the Current through Subconductors)
Eduardo Coelho Marques da Costa (email@example.com)2, Sérgio Kurokawa (firstname.lastname@example.org)2, José Pissolato (email@example.com)1, Afonso José Prado (firstname.lastname@example.org)2, Luiz Fernando Bovolato (email@example.com)2
1Universidade Estadual de Campinas2Universidade Estadual Paulista
This paper appears in: Revista IEEE América Latina
Publication Date: June 2010
Volume: 8, Issue: 3
This paper describes an alternative
procedure to obtain an equivalent conductor from a
bundled conductor, taking into account the distribution of
the current in subcondutors of the bundle. Firstly, it is
introduced a brief background about the concept of
Geometric Mean Radius (GMR) and how this
methodology is applied to define an equivalent conductor
and its electric parameters. Emphasizing that the classical
procedure, using GMR, is limited to premise which the
current is equally distributed through subconductors.
Afterwards, it is described the development of proposed
method and applications for an equivalent conductor
obtained from a conventional transmission line bundled
conductor and from an equivalent conductor based on a
bundle with compressed SF6 insulation system, where the
current is unequally distributed through subconductors.
Transmission lines, bundled conductors, frequency-dependent parameters, modal domain, geometric mean radius.
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