Ł. Nogal, J. Machowski. “WAMS – Based Control of Phase Angle Regulator Installed in Tie-Lines of Interconnected Power System”. Acta Energetica, no. 03 (September 30, 2012): 58–74. Accessed May 9, 2024. https://www.actaenergetica.org/index.php/journal/article/view/254.