An improved three-level direct torque control method of brushless doubly-fed machine based on the fixed synthesizing vector. Engineering Review, [S. l.], v. 33, n. 3, p. 203–209, 2013. Disponível em: https://www.engineeringreview.org/index.php/ER/article/view/402.. Acesso em: 3 nov. 2025.