Active Power Filter with Indirect Control for Line-Frequency Controlled Rectifiers - Roșu, Emil; Culea, Mihai; Dumitriu, Teodor; Munteanu, Traian; Păduraru, Romeo (The Annals of “Dunarea de Jos“ University of Galati. Fascicle III, Electrotechnics, Electronics, Automatic Control, Informatics, 2009)