wireless power transfer based on improved multilevel inverter fed by z-source network

In this paper, a new circuit for multi-level inverters is proposed. the approach of this structure is to reduce the number of components. this circuit consists of basic and h-bridge topologies, which are responsible for generating and symmetry voltage levels, respectively. this converter can extend to several higher levels by cascading more basic topologies. however, one basic topology with an h-bridge is considered as the case-study topology to perform all simulations. since z-source increases the reliability and flexibility of the converter, the inverter is fed by z-sources. furthermore, due to the many advantages of wireless power transmission, the proposed converter has been developed and simulated for wireless power transmission. the simulations are done in matlab/simulink for various modulation indexes, loads, and compensation inductances of the system. finally, the superiority of the proposed converter is verified by comparing the number of devices and its total blocking voltage with some recent converters.