PROJECT TITLE :
A Common Grounded Z-Source DC–DC Converter With High Voltage Gain
In this paper, a typical grounded Z-supply dc-dc converter with high voltage gain is proposed for photovoltaic (PV) applications, which require a comparatively high output-input voltage conversion ratio. Compared with the traditional Z-supply dc-dc converter, the proposed converter, which employs a conventional Z-supply network, can obtain higher voltage gain and give the common ground for the input and output without any extra elements, which leads to low price and small size. Moreover, the proposed converter features low voltage stresses of the switch and diodes. Thus, the potency and reliability of the proposed converter can be improved. The operating principle, parameters style, and comparison with alternative converters are analyzed. Simulation and experimental results are given to verify the aforementioned characteristics and theoretical analysis of the proposed converter.
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