SPWM Controlled Induction Motor Drive with Different Multilevel Converter Topologies: THD Analysis. International Journal of Current Engineering and Technology, [S. l.], v. 4, n. 1, p. 128–131, 2014. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/458. Acesso em: 14 mar. 2026.