Field Study of Photovoltaic Systems with Anti-Potential-Induced-Degradation Mechanism: UVF, EL, and Performance Ratio Investigations

Mahmoud Dhimish; Ghadeer Badran

doi:10.3390/photonics10020225

Field Study of Photovoltaic Systems with Anti-Potential-Induced-Degradation Mechanism: UVF, EL, and Performance Ratio Investigations

Mahmoud Dhimish, Ghadeer Badran

Electronic Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

The potential-induced degradation (PID) of photovoltaic (PV) modules is one of the most extreme types of degradation in PV modules, where PID-affected modules can result in an almost 25% power reduction. Understanding how module defects impact PID is key to reducing the issue. Therefore, this work investigates the impact of an anti-PID inverter on PV modules throughout three years of field operating conditions. We used electroluminescence (EL), ultraviolet fluorescence (UVF), and thermography imaging to explore the varieties of an anti-PID inverter connected to a PV string. It was discovered that a PV string with an anti-PID inverter could improve the output power of the modules by 5.8%. In addition, the performance ratio (PR) was equal to 91.2% and 87.8%, respectively, for PV strings with and without an anti-PID inverter.

Original language	English
Article number	225
Number of pages	13
Journal	Photonics
Volume	10
Issue number	2
DOIs	https://doi.org/10.3390/photonics10020225
Publication status	Published - 19 Feb 2023

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photonics-10-00225
© 2023 by the authors.
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Field Study of Photovoltaic Systems with Anti-Potential-Induced-Degradation Mechanism: UVF, EL, and Performance Ratio Investigations

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