Ireneusz Grządzielski, Krzysztof Marszałkiewicz, Andrzej Trzeciak. “Impact of Voltage Conditions on Distributed Generation Connectivity in Medium Voltage Grids”. Acta Energetica, no. 04 (December 31, 2015): 27–41. Accessed May 5, 2024. https://www.actaenergetica.org/index.php/journal/article/view/450.