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Item Avaliação do curto - circuito com outfeed em linhas de transmissão com compensação série(Universidade Federal de Goiás, 2019-07-11) Marçal, Valentina de Paula; Almeida, Maria Leonor Silva de; Almeida, Maria Leonor Silva de; Garces Negrete, Lina Paola; Oliveira, Renata Isabella Pinheiro deThe use of series compensation in transmission lines is advantageous as it increases the power transmitted by this equipment. Nevertheless, the use of capacitor banks in series to lines raises the complexity of the protection of these equipments. Among the phenomena that can compromise the correct performance of line protection, it’s mentioned fault situation with outfeed, in which currents directions in the transmission line remain the same as the nominal operating condition, despite having an internal fault occurred. As both the use of capacitor banks in series and the protection employed in these banks contribute to the incidence of faults with outfeed, this work aims to evaluate the occurrence of this phenomenon in series compensated transmission line. For that, a 500 kV and 400 km transmission line with series compensation was modeled, through the Alternative Transient Program (ATP) software, which was submitted to different types of internal faults. Based on the obtained results, parametric sensitivity analyzes, throught the Octave software, were carried out to verify how system load, type of fault, resistance and fault location contribute to the existence of faults with outfeed.