**Acknowledgements**

The authors wish to thank the Slovak grant agency VEGA for Project No. 0579/14 Research of topological structures of segments of power electronic system for wireless energy transfer.

### **Author details**

Michal Frivaldsky\* , Pavol Spanik, Peter Drgona, Viliam Jaros and Marek Piri

\*Address all correspondence to: michal.frivaldsky@fel.uniza.sk

Department of Mechatronics and Electronics, Faculty of Electrical Engineering, University of Zilina, Slovakia

### **References**

