Evald, Paulo J. D. O., Guilherme V Hollweg, Rodrigo V. Tambara, and Hilton A. Gründling. 2021. “A Discrete-Time Robust Adaptive PI Controller for Grid-Connected Voltage Source Converter With LCL Filter”. Eletrônica De Potência 26 (1):19-30. https://doi.org/10.18618/REP.2021.1.0053.