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Title: | Assessing the impact of PV panel climate-based degradation rates on inverter reliability in grid-connected solar energy systems | Authors: | ALAVI, Omid KAAYA, Ismail DE JONG, Richard DE CEUNINCK, Ward DAENEN, Michael |
Issue Date: | 2024 | Publisher: | CELL PRESS | Source: | Heliyon, 10 (3) (Art N° e25839) | Abstract: | This paper provides an evaluation of a 4-kW grid-connected full-bridge PV inverter under three different scenarios to assess its reliability with a fixed PV degradation rate, with a climate-based degradation rate, and without considering PV degradation. The climate-based degradation rates are estimated using a physics-based model that considers the different parameters influencing the PV reliability. Three different locations representing three different climate zones (hot and dry, hot and humid, and moderate climates) have been chosen in this study. The estimated lifetime of the IGBT, the switching device in the PV inverter, varies depending on the location, with the inclusion of fixed and climate-based degradation rates extending the lifespan of the PV inverter in the examined locations. The results demonstrate the significant impact of PV climate-based degradation rates on power electronics' reliability assessment and the importance of considering various factors in predicting device failures. To ensure the PV inverter's lifespan over the desired period in areas with high solar irradiation rates and extremely hot climates, the design parameters should be slightly elevated above the standard value. | Notes: | Alavi, O (corresponding author), Hasselt Univ, IMO IMOMEC, Wetenschapspk 1, B-3590 Diepenbeek, Belgium. omid.alavi@uhasselt.be |
Keywords: | Photovoltaic degradation;Physics -based;PV inverter;Reliability;Monte CarloI;GBT 's lifetime | Document URI: | http://hdl.handle.net/1942/42778 | e-ISSN: | 2405-8440 | DOI: | 10.1016/j.heliyon.2024.e25839 | ISI #: | 001182071200001 | Rights: | 2024 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/) | Category: | A1 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
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Assessing the impact of PV panel climate-based degradation rates on inverter reliability in grid-connected solar energy systems.pdf | Published version | 8.82 MB | Adobe PDF | View/Open |
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