H. T. Q. Lemos, A. A. F. Moura, A. M. Fernandes Filho, E. P. Rocha, e A. P. Moura, “Modeling of grid-connected converter-based sources as equivalent impedances for symmetrical and asymmetrical short-circuit calculation”, Rev. Principia, vol. 1, nº 48, p. 99–111, mar. 2020.