Improving the Power Factor at Unbalanced Consumers - Bălănuță, Ciprian; Gurguiatu, Gelu; Munteanu, Toader; Fetecău, Grigore; Oancă, Mihai (The Annals of “Dunarea de Jos“ University of Galati. Fascicle III, Electrotechnics, Electronics, Automatic Control, Informatics, 2010)