Improvement of multifunctional electromagnetic systems for electrical technologies - I. V. Bozhko; O. M. Karlov; I. P. Kondratenko; R. S. Kryshchuk; K. O. Lypkivskyi; A. H. Mozharovskyi; A. P. Rashchepkin (Proceedings of the Institute of Electrodynamics of the National Academy of Sciences of Ukraine, 2019)