A. Moualdia, S. Boulkhrachef, and P. Wira, “Direct Torque Control-Fuzzy Type 2 for Direct Current Link Voltages Balancing of the Five-Level Cascade Converters Used in a Wind Energy Conversion System”, Adv Syst Sci Appl, vol. 22, no. 1, pp. 15–34, Apr. 2022.