Spanik, P., Kandrac, J., Frivaldsky, M. and Drgona, P. (2011) “Verification of Operation Modes of Designed LLC Resonant Converter”, Communications - Scientific letters of the University of Zilina, 13(2A), pp. 67-73. Available at: http://journals.uniza.sk/index.php/communications/article/view/845 (Accessed: 6April2026).