L, LC and LCL Filter Choosing by C-Tool Application - Bălănuță, Ciprian; Gurguiatu, Gelu; Dușa, Alexandru; Roșu, Emil; Voncilă, Ion; Drogeanu, Constantin (The Annals of “Dunarea de Jos“ University of Galati. Fascicle III, Electrotechnics, Electronics, Automatic Control, Informatics, 2019)