Deakin University
Browse

File(s) under permanent embargo

Grid-connected isolated PV microinverters: a review

Version 2 2024-05-30, 09:47
Version 1 2016-11-28, 15:48
journal contribution
posted on 2024-05-30, 09:47 authored by R Hasan, S Mekhilef, M Seyedmahmoudian, Ben HoranBen Horan
Galvanic isolation in grid-connected photovoltaic (PV) microinverters is a very important feature concerning power quality and safety issues. However, high-frequency transformers and high switching losses degrade the efficiency of the isolated types of microinverters. Recently, several isolated topologies were proposed to increase the efficiency and lifetime of PV converters. This paper presents a comprehensive review of the most recent isolated topologies of PV microinverters. These topologies are categorized into two groups in terms of their power processing stages: 1) single-stage microinverter and 2) multi-stage microinverter. Various topologies are presented, compared, and scrutinized in terms of the power losses at different stages, control techniques, position of the decoupling capacitor, and cost analysis. Recommendations are provided to improve the existing topologies and select the suitable control techniques to obtain a clear picture of the framework for next-generation isolated PV microinverters.

History

Journal

Renewable and sustainable energy reviews

Volume

67

Pagination

1065-1080

Location

Amsterdam, The Netherlands

ISSN

1364-0321

eISSN

1879-0690

Language

eng

Publication classification

C Journal article, C1 Refereed article in a scholarly journal

Copyright notice

2016, Elsevier

Publisher

Elsevier

Usage metrics

    Research Publications

    Categories

    No categories selected

    Exports

    RefWorks
    BibTeX
    Ref. manager
    Endnote
    DataCite
    NLM
    DC