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International Journal of Innovative Research in Science, Engineering and Technology

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A PV Based High Boost Step-Up DC–DC Converter

K.Umadevi1, S.Sankarananth1, R.Arun Kumar1
 Assistant Professor, Department of Electrical and Electronics Engineering, Excel college of Engineering and Technology, Komarapalayam, India
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Abstract

The renewable energy sources such as PV modules, fuel cells or energy storage devices such as super capacitors or batteries deliver output voltage at the range of around 12 to 70 VDC. In order to connect them to the grid the voltage level should be adjusted according to the electrical network standards in the countries. First of all the voltage should be stepped up to sufficient level at which the DC/AC conversion can be performed to AC mains voltage requirements. Overall performance of the renewable energy system is then affected by the efficiency of step-up DC/DC converters, which are the key parts in the system power chain. This review is focused on high efficiency step-up DC/DC converters with high voltage gain. high step-up ratio dc–dc converters are preferred in renewable energy systems The differentiation is based on the presence or lack of galvanic isolation. A comparison and discussion of different DC/DC step-up topologies will be performed across number of parameters and presented in this paper

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