“VOLTAGE SENSORLESS CONTROL OF FIVE-LEVEL PACKED U-CELL INVERTER BASED ON LYAPUNOV APPROACH FOR GRID-CONNECTED PHOTOVOLTAIC SYSTEM”. REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE 69, no. 2 (July 7, 2024): 135–140. Accessed July 17, 2024. https://journal.iem.pub.ro/rrst-ee/article/view/556.