Results 11 to 20 of about 9,229,760 (269)
Electroluminescence Imaging of PV Devices: Advanced Vignetting Calibration [PDF]
IEEE Journal of Photovoltaics, 2018 Electroluminescence (EL) imaging is affected by off-axis illumination together with sensor and lens imperfections. The images’ spatial intensity distribution is mainly determined by the vignetting effect.
K. Bedrich +5 more
semanticscholar +7 more sources
A Photovoltaic Module Diagnostic Setup for Lock-in Electroluminescence Imaging [PDF]
2019 IEEE 46th Photovoltaic Specialists Conference (PVSC), 2019 Electroluminescence (EL) imaging and infrared (IRT) thermography techniques have become indispensable tools in recent years for health diagnostic of photovoltaic modules in solar industry application. We propose a diagnostic setup, which performs lock-in
H. Parikh +9 more
semanticscholar +6 more sources
Applied Sciences, 2023 Electroluminescence is a defect detection method commonly used in photovoltaic industry. However, the current research mainly focuses on qualitative analysis rather quantitative evaluation, since there exists some shortcomings, such as fuzzy edges ...
Yanfu Zhang +5 more
doaj +2 more sources
Evaluating the effects of photovoltaic module heating during electroluminescence inspection
EPJ Photovoltaics, 2023 The application of electroluminescence imaging of photovoltaic modules increased in the last years, due to the reliable and detailed identification of degradation and failures.
Koester Lukas +4 more
doaj +3 more sources
Dynamic Electroluminescence Imaging
III-Vs Review, 2003 AbstractThe Canadian National Research Council’s Institute for Microstructural Sciences (NRC-IMS) and MuAnalysis have begun a research agreement to jointly develop methods to detect semiconductor anomalies using a new technique known as Dynamic Electroluminescence Imaging (DEI).
openaire +2 more sources
Daylight Electroluminescence imaging methodology comparison
, 2023 Electroluminescence imaging is a powerful technique for PV fault diagnosis and for this reason there is a growing interest of the O&M industry to make it widely available for in site inspections instead of randomly choosing samples throughout the PV plant.
Reis Benatto, Gisele Alves dos +10 more
openaire +4 more sources
MSW-Mamba-Det: Multi-Scale Windowed State-Space Modeling for End-to-End Defect Detection in Photovoltaic Module Electroluminescence Images [PDF]
SensorsElectroluminescence (EL) imaging is widely used for photovoltaic (PV) module inspection, yet EL defect detection remains challenging due to the need for high-resolution inputs, low-contrast defects, and strong structured background patterns.
Xiaofeng Wang +3 more
doaj +2 more sources
Solar cells micro crack detection technique using state-of-the-art electroluminescence imaging
Journal of Science: Advanced Materials and Devices, 2019 In this article, we present the development of a novel technique that is used to enhance the detection of micro cracks in solar cells. Initially, the output image of a conventional electroluminescence (EL) system is determined and reprocessed using the ...
Mahmoud Dhimish, Violeta Holmes
doaj +2 more sources
Absolute Electroluminescence Imaging Diagnosis of GaAs Thin-Film Solar Cells
IEEE Photonics Journal, 2017 A spatially resolved absolute electroluminescence (EL) imaging method was utilized to analyze the photovoltaic properties and resistive loss properties of a GaAs thin-film solar cell.
XiaoBo Hu +6 more
doaj +2 more sources
Attention-enhanced DenseNet for robust solar cell defect detection in electroluminescence imaging
ArrayThe reliability and efficiency of photovoltaic (PV) modules heavily depend on accurate and scalable defect detection. Electroluminescence (EL) imaging provides high-resolution, non-invasive insights into internal faults such as microcracks, finger ...
Meshari A. Al-Ebrahim +3 more
doaj +2 more sources