A new modular three-phase inverter based on SEPIC-CUK combination converter for photovoltaic applications

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Alotaibi, S. and Darwish, A. and Ma, X. and Williams, B. W.; (2021) A new modular three-phase inverter based on SEPIC-CUK combination converter for photovoltaic applications. In: 9th Renewable Power Generation Conference, RPG Dublin Online 2021. IET Conference Publications (CP783). Institution of Engineering and Technology, Virtual, Online, pp. 259-264. ISBN 9781839536199 (https://doi.org/10.1049/icp.2021.1407)

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Abstract

A new modular dc/ac inverter based on a dual-winding isolated SEPIC/Cuk converter for medium and high power Photovoltaic (PV) applications is introduced. In this system, several current-source submodules (SMs) are connected in series to allow for additional voltage boosting. Each SM is designed as a combination of SEPIC/CUK converter to offer a flexible output range and continuous currents with small ripple at input and output sides. Furthermore, the SMs structure can generate different output voltage polarities. The main purpose of employing small-size high-frequency transformers are to (1) provide galvanic isolation, (2) eliminate PV grounding problems, (3) achieve minimum electromagnetic interference (EMI). The paper presents a description of the proposed topology and investigate its reliability performance in a PV grid-tied system using MATLAB simulations. An experimental prototype has been used and controlled by TMS32028335 DSP, as a proof of concept.

  • Item type:Book Section
    ID code:79987
    Dates:
    Date
    Event
    22 October 2021
    Published
    2 March 2021
    Published Online
    22 February 2021
    Accepted
    Notes:© 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Depositing user: Pure Administrator
    Date deposited:29 Mar 2022 11:01
    Last modified:11 Nov 2024 15:27
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/79987
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