POWER QUALITY IMPROVEMENT BY USING ADAPTIVE QUADRATURE-COMPLEX VARIABLE FILTER BASED ON FOPID CONTROLLER. International Journal of Engineering and Science Research, [S. l.], v. 14, n. 2, p. 154–170, 2024. Disponível em: https://www.ijesr.org/index.php/ijesr/article/view/680. Acesso em: 24 dec. 2025.