Real-time testing of out-of-step protection devicesTealane, Marko; Kilter, Jako; Pill, Krister2021 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe), 8-21 October, 2021 : proceedings2021 / 5 p https://doi.org/10.1109/ISGTEurope52324.2021.9640178