Zaļeskis, Genadijs, and Ingars Steiks. “Alternative Energetics DC Microgrid With Hydrogen Energy Storage System”. Electrical, Control and Communication Engineering 11, no. 1 (December 1, 2016): 21–26. Accessed November 5, 2024. https://ecce-journals.rtu.lv/ecce/article/view/ecce-2016-0008.