Dr. B. M. Saied P, R. A. Khalil D, Antar R. Power Quality Improvement in a HVDC Transmission System Based on a Modified Active Power Filter-ENG. AREJ [Internet]. 2013 Oct. 1 [cited 2025 Oct. 2];21(5):16-24. Available from: https://rsprs.uomosul.edu.iq/index.php/arej/article/view/31365