Sistema de Distribuição de Energia Elétrica a Dois Condutores para Atendimento a Cargas Rurais Trifásicas (Two-Wire Distribution System for Power Supply to Three-Phase Rural Facilities)

Juliane Cristina Oliveira Fandi (julianefandi@netsite.com.br)1, José Rubens Macedo (jrubens.macedo@gmail.com)2, Isaque Nogueira Gondim (gondim.isaque@gmail.com)2, José Carlos Oliveira (jcoliveira@ufu.br)2, Geraldo Caixeta Guimarães (gcaixeta@ufu.br)2


1UFTM
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This paper appears in: Revista IEEE América Latina

Publication Date: March 2014
Volume: 12,   Issue: 2 
ISSN: 1548-0992


Abstract:
Nowadays, the electric power supply to rural facilities is commonly composed by single-phase medium voltage grids. Eventually, some of these rural facilities require the use of more significant driving loads, making necessary the replacing of the single-phase networks by a new medium voltage three-phase network. Thus, despite the fact it is a new or an existing facility, the construction costs related to a new medium voltage three-phase grid, which may have some miles long, could cripple investment to be made by the farmer as well as increase utility tariffs due to higher costs of the three-phase distribution networks in rural areas. In this context, this paper presents an innovative and low cost power supply to attend three-phase rural facilities through a new two-wire distribution system.

Index Terms:
Rural Distribution Systems, Single-Phase to Three-Phase Converter, Rural Three-Phase Facilities   


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