1. Department of Electronics, Electrical Engineering and Microelectronics, Faculty of Automatic Control, Electronics and Computer Science, Silesian University of Technology, 44-100 Gliwice, Poland
2. Department of Energy Technology, Aalborg University, 9220 Aalborg, Denmark
3. Department of Power Electronics, Electrical Drives and Robotics, Faculty of Electrical Engineering, Silesian University of Technology, 44-100 Gliwice, Poland