Implementation of a common grounded Z-source DC–DC converter with improved operation factors

This paper proposes a common grounded Z-source DC-DC converter. In comparison to conventional Z-source converter, it converts voltage with higher voltage gain and lower voltage stress on the switch and diodes that means improvement in efficiency. In addition, increasing duty cycle reduces its output voltage ripple percentage that improves its operation quality. The converter is analysed and compared with other converters. Its main equations are obtained which show the converter advantages as lower voltage stress, smaller inductors and higher voltage gain in comparison to the reviewed converters. A prototype for the proposed converter is prepared based on analysis and theoretical parts. Experiments are done along the analysis. Experimental results and theoretical equations are used to show the converter advantages.

https://ieeexplore.ieee.org/document/8813178