High Step-Up Converter Based On Cockcroft-Walton Voltage Multiplier with Different Capacitor Configuration
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 7
Abstract
Demand for electrical energy and concern about green energy evoke research in the renewable energy sources for electrical power production. Since the output of major renewable energy sources like solar and fuel cell is a low voltage DC, a step-up DC-DC converter plays a major role in renewable energy applications. Transformer less step-up converter based on Cockcroft-Walton voltage multiplier, proposed by Chung-Ming Young et. al, dealt with the computation of gain with capacitors all are equal. Objective of this paper is to analyse different capacitor combination in the step-up converter with CockcroftWalton voltage multiplier topology. A seven stage converter of 1kW rating is designed for different capacitor configurations. For validation, simulation is carried out for both equal capacitors and different capacitors configurations. From low-input-level renewable energy sources, the proposed converter provides a high DC voltage at relatively low cost. This converter is suitable for various applications to boost the DC voltage in a cost effective manner.
Authors and Affiliations
Sheeja G, Reshma M, Pranav M S
Keywords
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