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ISSN:2394-3661 | Crossref DOI | SJIF: 5.138 | PIF: 3.854

International Journal of Engineering and Applied Sciences

(An ISO 9001:2008 Certified Online and Print Journal)

PV FED DC-DC Converter With Two Input Boost Stages

( Volume 4 Issue 4,April 2017 ) OPEN ACCESS
Author(s):

M.Arunkumar, Mr.K.Palanivelrajan

Abstract:

Renewable energy system is getting a importance in the energy generation due to their clean and environment features .The renewable systems usually generate a lower voltage which requires a high step up dc-dc converter at the front end .In order to meet the requirements of the grid the low voltage has to stepped up, which a basic boost converter cannot be employed due to its high duty ratio requirements which leads a high switch loss that degrades the efficiency. In order to alleviate the issues related to the high gain conversion with bigger efficiency a new converter based on the isolated resonant topology is introduced which can be used to draw power from renewable sources with a minimal loss. The isolated resonant functionality enables the converter to operate high gain and maximum efficiency by introducing the zero-voltage switching and zero-current switching for all of the active switches and the diodes respectively in operating range which makes the converter suitable for renewable application. The effectiveness of the proposed method is carried out and the results are presented and it shows that converters operates high gain ratio with an efficiency of 97.2%.

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