Photovoltaic System with Step Up Converter
Journal Title: International Journal of Science Engineering and Advance Technology - Year 2015, Vol 3, Issue 12
Abstract
A novel step up converter which is proposed for a front end photovoltaic power system. Through a voltage multiplier module in which an asymmetrical interleaved step up converter usually high step up gain without which act as a function at an extreme duty ratio. The voltage multiplier module which is create of a conventional boost converter and coupled inductors. An extra conventional boost converter is combine into the first phase to achieve a considerably higher voltage conversion ratio. The two phase configuration not only decreases the current stress through each power switch but also force to do some thing the input current ripple, in which decreases the conduction losses of MOSFETs. The proposed step up converter functions as an active clamp circuit which moderate large voltage spikes across the power switches. So, the low-voltage rated MOSFETs which can be adopted for reduces of conduction losses and also cost. Efficiency improves because the energy which is stored in leakage inductances is energized to the output terminal. Finally, the prototype circuit which with a 40V input voltage, 380V output is operated to verify its performance. The highest efficiency of the step up converter is 96.8%.
Authors and Affiliations
Bhushan S. Chaudhari| Research Scholar,Electrical Engineering Dept, SSBT‘s COET, Jalgaon (MS),India, bhushansc1989@gmail.com, M. Mujtahid Ansari| Assistant Professor, Electrical Engineering Dept, SSBT‘s COET, Jalgaon (MS), India, mujtahidansari@gmail.com, Nilesh S. Mahajan| Assistant Professor, Electrical Engineering Dept, SSBT‘s COET, Jalgaon (MS), India, nilesh17_mahajan@rediffmail.com
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