A New Technology for Ac-Side Cascaded H-Bridge Cells for Multi-Level VSC-HVDC Transmission System. International Journal of Emerging Trends in Science and Technology, [S. l.], v. 2, n. 07, 2015. Disponível em: https://ijetst.in/index.php/ijetst/article/view/825. Acesso em: 24 oct. 2026.