In recent years, solar Photovoltaic (PV) energy has garnered substantial attention due to the growing importance of clean energy resources. In 2022, cumulative global PV capacity reached 1185 GW, marking an increase of 510 GW in 2023, the fastest growth rate in two decades [1].However, like all electrical systems, PV systems are not immune to failures or
Photovoltaic (PV) cell defect detection has become a prominent problem in the development of the PV industry; however, the entire industry lacks effective technical
Electrical Power Engineering; Power Generation; Traditional vision methods for solar cell defect detection have problems such as low accuracy and few types of detection, so this paper proposes
The solar cell efficiency represents the amount of sunlight energy that is transformed to electricity through a photovoltaic cell. In other words, the solar cell efficiency is obtained by dividing the solar cell output energy by the input energy from the sun [[45], [46]]. The sunlight''s wavelength, the cell temperature, recombination, and
In the object detection part, this work improves the Faster-RNN to better perform the solar cell detection task. This work not only does the object detection of PV module defects, but also uses autoencoder to complete the task of anomaly segmentation module. they hope the defective cells that impact power generation efficiency and safety
Overall, it enhances power generation efficiency and prolongs the lifespan of photovoltaic systems, while minimizing environmental risks. Evolution of installed solar capacity from 2004 to 2023 [4].
Different statistical outcomes have affirmed the significance of Photovoltaic (PV) systems and grid-connected PV plants worldwide. Surprisingly, the global cumulative installed capacity of solar PV systems has massively increased since 2000 to 1,177 GW by the end of 2022 [1].Moreover, installing PV plants has led to the exponential growth of solar cell
It is imminent to find effective efficiency detection method. Based on this, the principle of testing the key equipment efficiency of PV power plant is mainly described and a
Therefore, it is crucial to promptly and accurately detect defects in photovoltaic cells to ensure long-term stable operation of the PV power generation system. The detection of defects in
The ablation study demonstrates that our CCT and PSA modules enhance the detection accuracy of YOLOv8 in photovoltaic cell anomaly detection tasks. Table 2 Ablation study. Full size table
Distributed PV power generation has proliferated recently, but the installation environment is complex and variable. The daily maintenance cost of residential rooftop distributed PV under the optimal maintenance cycle is 116 RMB, and the power generation income cannot cover the maintenance cost [1, 2].Therefore, small-capacity distributed PV has shown a low
This paper focuses on creating a complete DL pipeline that accomplishes three critical tasks: detecting faults within PV cells, estimating the power output of PV modules, and
The numerical experimental results show that the proposed deep-learning-based defect detection method for PV cells can automatically perform efficient and accurate defect detection using EL images.
As the cumulative installed capacity of photovoltaic power generation continues to grow globally, defect detection plays an increasingly critical role in the healthy operation and maintenance of photovoltaic systems. However, accurate and efficient defect detection is a challenging task for small targets, various defect shapes, and complex background interference.
These defects will impact the power output of the photovoltaic cells, resulting in energy losses in the photovoltaic power generation system, thereby affecting its operational efficiency [5]. Literature [6] indicates that defects or faults in PV power systems lead to an energy loss of approximately 18.9%.
The demand for renewable and clean energy is rising in tandem with the growth of industries and economies. Global concerns about environmental pollution, climate change, and the fossil fuel crisis are increasing [[1], [2], [3]].Solar energy offers an abundant, reliable, environmentally friendly, and universally accessible solution to the world''s energy challenges [[4], [5], [6], [7]].
1. Introduction. The recent growth in renewable power capacity has been mainly led by solar photovoltaic (PV) [1].PV cells are important elements of module and power station, the generation efficiency of the module and operation status of the power station are affected by the qualities of cells [2].During manufacturing and soldering, PV cells undergo
The model achieved impressive performance metrics: 91.46% accuracy, 98.29% specificity, and an F1 score of 91.67%. Overall, it enhances power generation efficiency and
As the photovoltaic (PV) systems are universally utilized in power systems, the defect of solar cells, the core components of PV system requires to be detected in a low-cost and high-efficiency
Based on solar radiation, photovoltaic power generation, which realizes the direct conversion of light energy and electric energy, is an important distributed generation
Photovoltaic cells play a critical role in solar power generation, with defects in these cells significantly impacting energy conversion efficiency. To address challenges in detecting
2 天之前· Detecting defects in photovoltaic cells is essential for maintaining the reliability and efficiency of solar power systems. Existing methods face challenges such as (1) the interaction
Efficient cell segmentation from electroluminescent images of single-crystalline silicon photovoltaic modules and cell-based defect identification using deep learning with
1 天前· In industrial production, the quality of photovoltaic determines the power generation efficiency and service life. Therefore, only by improving the quality inspection automation capability of photovoltaic products can we ensure the quality of mass production. Recently, Vision Transformers (ViTs) have shown excellent performance in various visual tasks. However, the
Photovoltaic power plants nowadays play an important role in the context of energy generation based on renewable sources. With the purpose of obtaining maximum efficiency, the PV modules of these
In this paper, we proposed an economic, efficient, and accurate approach for PV cell defect detection to ensure the long-term efficiency of PV power systems. First, we proposed a DDDN, which achieved excellent detection accuracy
In conventional photovoltaic systems, the cell responds to only a portion of the energy in the full solar spectrum, and the rest of the solar radiation is converted to heat, which increases the temperature of the cell and thus reduces the photovoltaic conversion efficiency [[8], [9], [10]].Silicon-based solar cells are the most productive and widely traded cells available
To address this issue, we propose a novel method for efficient PV cell defect detection. Firstly, we utilize Contrast Limited Adaptive Histogram Equalization (CLAHE)
The global shift towards sustainable energy has positioned photovoltaic (PV) systems as a critical component in the renewable energy landscape. However, maintaining the efficiency and longevity of these systems requires effective fault detection and diagnosis mechanisms. Traditional methods, relying on manual inspections and standard electrical
A n n i e B e s a n t Applications of Photovoltaic Cells: •Solar Water Heating •Solar-distillation •Solar-pumping •Solar Drying of Agricultural and Animal Products •Solar
Due to the damage during production, transportation and installation, some defects inevitably occur in the solar cells, which will reduce the power generation efficiency nefiting from the development of deep learning, the performance of solar cell defect detection has been improved by a considerable margin. However, a problem persists that a
However, because of the installation area, the distributed photovoltaic power generation system for buildings is compact in configuration, which puts forward higher requirements for the system''s power generation quality,
94 PV Modules (R2 > 0.99 for all data sets).Hence it is concluded that, with integration times of 40s and currents close to the I sc of the module, non-linearity effects caused by
[1] Eftekharnejad S., Vittal V., Heydt G. T. et al 2013 Impact of increased penetration of photovoltaic generation on power systems IEEE Transactions on Power Systems 28 893-901 Google Scholar [2] Demant M., Rein S., Krisch J. et al 2011 Detection and analysis of micro-cracks in multi-crystalline silicon wafers during solar cell production IEEE Photovoltaic
In view of the reduced power generation efficiency caused by ash or dirt on the surface of photovoltaic panels, and the problems of heavy workload and low efficiency faced by manual detection
This new module includes both standard convolution and dilated convolution, enabling an increase in network depth and receptive field without reducing the output feature map size. This improvement can help to enhance the accuracy of defect detection for photovoltaic modules.
This new module has smaller parameters than the original bottleneck module, which is useful to improve the defect detection speed of the photovoltaic module. Thirdly, a feature interactor is designed in the detection head to enhance feature expression in the classification branch. This helps improve detection accuracy.
Many methods have been proposed for detecting defects in PV cells , among which electroluminescence (EL) imaging is a mature non-destructive, non-contact defect detection method for PV modules, which has high resolution and has become the main method for defect detection in PV cells .
Hence, the primary objective of this paper is twofold: first, to investigate the possibility of detecting defects in photovoltaic (PV) modules using deep learning (DL) techniques. Second, to predict the power outputs and series resistances in the equivalent circuit representation of PV modules based on EL images by focusing on cell-level features.
The VarifocalNet is an anchor-free detection method and has higher detection accuracy 5. To further improve both the detection accuracy and speed for detecting photovoltaic module defects, a detection method of photovoltaic module defects in EL images with faster detection speed and higher accuracy is proposed based on VarifocalNet.
Recently, convolutional neural network (CNN) based automatic detection methods for PV cell defects using EL images have attracted much attention. However, existing methods struggle to achieve a good balance between detection accuracy and efficiency. To address this issue, we propose a novel method for efficient PV cell defect detection.
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