NGUYEN, N. H.; NGUYEN, . V. N. Carrier based PWM of hybrid 5-level inverter with open-end winding three- phase load. Journal of Technical Education Science, [S. l.], v. 5, n. 3, p. 32–37, 2010. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/810. Acesso em: 8 apr. 2026.