H. B. Morari, R. J. F. Bortolini, L. V. Bellinaso, and L. Michels, “Improved Methodology for Testing the Compliance of Residual Current Detection of Non-Isolated Grid-Connected Photovoltaic Inverters”, Eletrônica de Potência, vol. 28, no. 3, pp. 256–263, Sep. 2023.