Author, as appears in the article.: Shawky A; Ahmed M; Orabi M; El Aroudi A

Department: Enginyeria Electrònica, Elèctrica i Automàtica

URV's Author/s: El Aroudi Chaoui, Abdelali

Keywords: Topologies Three-phase System Solar energy Power point tracking Photovoltaic Partial shading conditions Optimization Modulation Microinverter Inverters Inverter Grid-connected Distributed generation Converter Ac-module

Abstract: © 2020 by the authors. Microinverters are an essential part of the photovoltaic (PV) industry with significant exponential prevalence in new PV module architectures. However, electrolyte capacitors used to decouple double line frequency make the single-phase microinverters topologies the slightest unit in this promising industry. Three-phase microinverter topologies are the new trend in this industry because they do not have double-line frequency problems and they do not need the use of electrolyte capacitors. Moreover, these topologies can provide additional features such as four-wire operation. This paper presents a detailed discussion of the strong points of three-phase microinverters compared to single-phase counterparts. The developed topologies of three-phase microinverters are presented and evaluated based on a new classification based on the simplest topologies among dozens of existing inverters. Moreover, the paper considers the required standardized features of PV, grid, and the microinverter topology. These features have been classified as mandatory and essential. Examples of the considered features for classifications are Distributed Maximum Power Point Tracking (DMPPT), voltage boosting gain, and four-wire operation. The developed classification is used to identify the merits and demerits of the classified inverter topologies. Finally, a recommendation is given based on the classified features, chosen inverter topologies, and associated features.

Thematic Areas: Zootecnia / recursos pesqueiros Renewable energy, sustainability and the environment Interdisciplinar General computer science Fuel technology Engineering (miscellaneous) Engenharias iv Engenharias iii Engenharias ii Energy engineering and power technology Energy (miscellaneous) Energy & fuels Electrical and electronic engineering Economia Control and optimization Ciências ambientais Ciências agrárias i Ciência da computação Building and construction Biotecnología Biodiversidade Astronomia / física

licence for use: https://creativecommons.org/licenses/by/3.0/es/

ISSN: 1996-1073

Author's mail: abdelali.elaroudi@urv.cat

Author identifier: 0000-0001-9103-7762

Record's date: 2023-02-19

Journal volume: 13

Papper version: info:eu-repo/semantics/publishedVersion

Link to the original source: https://www.mdpi.com/1996-1073/13/11/2929

Licence document URL: http://repositori.urv.cat/ca/proteccio-de-dades/

Papper original source: Energies. 13 (11):

APA: Shawky A; Ahmed M; Orabi M; El Aroudi A (2020). Classification of Three-phase grid-tied microinverters in photovoltaic applications. Energies, 13(11), -. DOI: 10.3390/en13112929

Article's DOI: 10.3390/en13112929

Entity: Universitat Rovira i Virgili

Journal publication year: 2020

Publication Type: Journal Publications