Thomas Jacob, Jeby, and Dr. D Kirubakaran. “A Fifteen Level Modified Active Neutral Point Clamped Multilevel Converter for Isolated Power Supply Systems”. International Journal of Engineering and Technology 7, no. 4 (February 15, 2019): 4819–4824. Accessed February 9, 2026. https://www.sciencepubco.com/index.php/IJET/article/view/24975.