Sub-Module Voltage Estimation of Modular Multilevel Converter in PV Applications Using a Sliding Mode Observer. ITEGAM-JETIA, [S. l.], v. 11, n. 52, p. 92–102, 2025. DOI: 10.5935/jetia.v11i52.1539. Disponível em: https://itegam-jetia.org/journal/index.php/jetia/article/view/1539. Acesso em: 23 oct. 2026.