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      An ultra‐high voltage gain interleaved converter based on three‐winding coupled inductor with reduced input current ripple for renewable energy applications

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          Abstract

          This article proposes an interleaved high step‐up DC–DC converter topology designed for renewable energy applications, featuring an ultra‐high voltage conversion ratio. The converter employs an interleaved structure, resulting in a low peak‐to‐peak ripple in the input source current, which is particularly advantageous for solar PV sources. To enhance the output voltage, the topology utilizes voltage multiplier cells (VMC) and coupled inductor techniques. Two coupled inductors with three windings are integrated into the proposed topology, with the secondary and tertiary windings combined with VMC. This combination effectively reduces the maximum voltage stress across power switches, enabling the use of low‐rated and cost‐effective power switches for implementation. The article offers comprehensive operation modes and steady‐state analyses to demonstrate the converter's performance. A comparison is made between the suggested structure and other similar converter topologies. To validate the mathematical analysis, a 200‐W prototype is constructed, operating at a frequency of 25 kHz and achieving a voltage conversion range of 20 to 409 V. The experimental results are presented to support the findings.

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          A High Step-Up Interleaved DC-DC Converter With Voltage Multiplier and Coupled Inductors for Renewable Energy Systems

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            High Step-Up Interleaved Converter With Built-In Transformer Voltage Multiplier Cells for Sustainable Energy Applications

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              Interleaved high step-up DC–DC converter based on three-winding high-frequency coupled inductor and voltage multiplier cell

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                Author and article information

                Contributors
                (View ORCID Profile)
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                Journal
                IET Renewable Power Generation
                IET Renewable Power Gen
                Institution of Engineering and Technology (IET)
                1752-1416
                1752-1424
                January 2024
                December 15 2023
                January 2024
                : 18
                : 1
                : 141-151
                Affiliations
                [1 ] Faculty of Electrical and Computer Engineering University of Tabriz Tabriz Iran
                [2 ] Department of Electrical Engineering Qatar University Doha Qatar
                [3 ] Engineering Faculty Near East University Mersin Turkey
                Article
                10.1049/rpg2.12906
                264a030f-9f25-44d2-a068-0eccfe33c98a
                © 2024

                http://creativecommons.org/licenses/by/4.0/

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