MR. ZALA JAYDIPSINH B; PROF. V. J. RUPAPARA. Multilevel SPWM Inverter with Variable Carrier Synchronization. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 1, n. 3, p. 112–119, 2014. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/5342. Acesso em: 7 jul. 2025.