1 | Department of electrotechnical systems, Lviv National Agrarian University, 1, V. Velykogo Str., 80381 Dubliany, Lviv region, Ukraine |
2 | Lviv Polytechnic National University, 12, Lviv, 79013, Ukraine |
3 | Czestochowa University of Technology, Generała Jana Henryka Dąbrowskiego 69, 42-201 Częstochowa, Poland |
4 | The Faculty of Civil and Environmental Engineering and Architecture, Rzeszow University of Technology, Powstancow Warszawy 12, 35-084 Rzeszow, Poland |