Experimental verification of a module-integrated isolated coupled-inductor-based DC-DC boost-converter-fed micro-inverter

P. Geetha, S. Ravi

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In this paper, a photovoltaic module-integrated coupled inductor-based high-step-up DC-DC converter-fed isolated dc/ac converter is presented. The coupled-inductor-based DC-DC converters offer more advantages over the buck, boost, and cuk converters used in the photovoltaic (PV)-integrated applications. The proposed grid-integrated solar micro-inverter based on the isolated high-step-up DC-DC converter extracts the maximum power generated on the solar panel and it transfers the extracted power to the ac utility system through a voltage source inverter. High-step-up voltage gain, high maximum power point tracking accuracy, and high-energy-conversion efficiency can be obtained with the proposed topology. The design considerations and principle of operation of the proposed isolated high-step-up DC-DC boost-converter-fed micro-inverter are analyzed and discussed. The MATLAB/Simulink simulation and experimental results of the proposed micro-inverter have been presented to validate the performance of the isolated micro-inverter. Copyright © 2016 by ASTM International.
Original languageEnglish
Pages (from-to)967-979
Number of pages13
JournalJournal of Testing and Evaluation
Volume45
Issue number3
DOIs
Publication statusPublished - 2016

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DC-DC converters
Electric potential
Energy conversion
MATLAB
Conversion efficiency
Topology

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title = "Experimental verification of a module-integrated isolated coupled-inductor-based DC-DC boost-converter-fed micro-inverter",
abstract = "In this paper, a photovoltaic module-integrated coupled inductor-based high-step-up DC-DC converter-fed isolated dc/ac converter is presented. The coupled-inductor-based DC-DC converters offer more advantages over the buck, boost, and cuk converters used in the photovoltaic (PV)-integrated applications. The proposed grid-integrated solar micro-inverter based on the isolated high-step-up DC-DC converter extracts the maximum power generated on the solar panel and it transfers the extracted power to the ac utility system through a voltage source inverter. High-step-up voltage gain, high maximum power point tracking accuracy, and high-energy-conversion efficiency can be obtained with the proposed topology. The design considerations and principle of operation of the proposed isolated high-step-up DC-DC boost-converter-fed micro-inverter are analyzed and discussed. The MATLAB/Simulink simulation and experimental results of the proposed micro-inverter have been presented to validate the performance of the isolated micro-inverter. Copyright {\circledC} 2016 by ASTM International.",
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AB - In this paper, a photovoltaic module-integrated coupled inductor-based high-step-up DC-DC converter-fed isolated dc/ac converter is presented. The coupled-inductor-based DC-DC converters offer more advantages over the buck, boost, and cuk converters used in the photovoltaic (PV)-integrated applications. The proposed grid-integrated solar micro-inverter based on the isolated high-step-up DC-DC converter extracts the maximum power generated on the solar panel and it transfers the extracted power to the ac utility system through a voltage source inverter. High-step-up voltage gain, high maximum power point tracking accuracy, and high-energy-conversion efficiency can be obtained with the proposed topology. The design considerations and principle of operation of the proposed isolated high-step-up DC-DC boost-converter-fed micro-inverter are analyzed and discussed. The MATLAB/Simulink simulation and experimental results of the proposed micro-inverter have been presented to validate the performance of the isolated micro-inverter. Copyright © 2016 by ASTM International.

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