Análise de Desequilíbrio de Tensão para Sistema de Distribuição de Energia Elétrica não Convencional
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Autor
Giuliani, Eduardo
Oliveira, Aécio de Lima
Cardoso Junior, Ghendy
Marchesan, Gustavo
Silveira, Leonardo de Freitas
Nunes Filho, Gilberto Davi
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This work presents an accurate method for the calculation of the compensating impedances for an uncoventional three-phase rural distribution network using two overhead wires and the ground for energy transmission. This system is referred as T2F scheme, which is an inherently unsymmetrical 3-phase system. The paper deals with the compensating method using a series impedance in the earth return path and a shunt capacitance connected between the two wires. A simulation study in MATLAB/Simulink was conducted in a medium voltage radial distribution system to verify a need of compesating impedances by analysing of unbalaced voltages and voltage drop. This study shows that the system is capable of operating within the unbalancing factor standards and voltage drops limits, as seen in the simulations results. https://doi.org/10.53316/sepoc2021.040
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