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This paper compares two different modeling strategies for the Xingu-Estreito HVDC link with the objective of evaluating their transient response to the occurrence of a three-phase reclosing operation on a neighboring transmission line. The strategies evaluated are the detailed modeling of the HVDC link or its simplified representation in the form of equivalent current sources. It is demonstrated that the simplified HVDC link model can lead to results similar to those obtained with the detailed model, with the advantage of having less computational complexity and leading to shorter total simulation times. Resumo: Este trabalho compara duas diferentes estratégias de modelagem do elo HVDC Xingu-Estreito com o objetivo de avaliar sua resposta transitória frente à aplicação de manobra de religamento tripolar em uma linha de transmissão vizinha. As estratégias avaliadas são a modelagem detalhada do elo HVDC ou sua representação simplificada na forma de fontes de corrente equivalentes. É demonstrado que o modelo simplificado do elo HVDC é capaz de levar a resultados semelhantes àqueles obtidos com o modelo detalhado, com a vantagem possuir menor complexidade computacional e de levar a menores tempos totais de simulação.

Análise Comparativa da Modelagem de Sistema HVDC no ATP Para o Estudo de Transitórios Eletromagnéticos