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IJSTR >> Volume 9 - Issue 8, August 2020 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

PV Fed Sepic Triple-Lift Converter System - A Comparative Study

[Full Text]



T. Ezhilan, J. Ravikumar, B. Baskaran, S. Subramanian



Soft-switched single ended primary inductor converter (SSSEPIC), Triple-lift converter system (TLCS), Voltage lifting (VL) methods, Matlab Simulink.



Power converter design based on voltage-lifting (VL) techniques avoid taking a too high value of operating duty for producing large voltage conversion ratio. This study is aimed in determining the voltage boosting ability of a soft-switched single ended primary inductor converter (SSSEPIC) integrated with triple-lift converter system (TLCS). Simulation of SSSEPIC-TLCS is performed in open loop and with source disturbance by developing a Matlab Simulink model. The converter performance is studied with regard to voltage gain, ripple content present in output voltage and power output. Furthermore, the SSSEPIC-TLCS is compared with the results of elementary SEPIC, self-lift, double-lift and re-lift converter reported in literature so as to find a system with high power output and low output voltage ripple. A T-filter is connected at the output to minimize ripple content. Comparative results reveal that combination of SEPIC with re-lift system produces higher output than other VL methods and therefore it is a good substitute for the existing step-up converters. Moreover, the results suggest that there has only been a marginal difference in voltage gain and power output between triple-lift and double-lift converter system.



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