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Company Address：The second floor of the first accelerator of the Optoelectronic Industry Park, No. 155 Incubation Second Lane, High tech Zone, Weifang City, Shandong Province
time ：2025-08-29 Article Source：automatic weather station author ：Small meteorological station
The photovoltaic module EL detector, also known as the electroluminescence detector, is a high-tech device specifically designed for detecting internal defects in solar cells and modules. Its working principle is based on the electroluminescence phenomenon, that is, the phenomenon where substances emit light under the action of an electric field. When a certain forward voltage is applied to photovoltaic modules, the materials inside the modules will excite photons. The intensity and distribution of these photons are closely related to the structure and defect conditions inside the modules. By capturing these photons and converting them into visual images, the EL detector can visually display the internal defects of photovoltaic modules, such as hidden cracks, fragments, broken chips, false soldering, black hearts, black edges, broken grids, and abnormal phenomena of single cells with different conversion efficiencies.
The WX-EL2 photovoltaic module el detector has significant application value in the photovoltaic industry. It is the preferred tool for detecting internal defects in solar cell modules. It can quickly scan a large number of samples, precisely identify defective products, and ensure that each module meets quality standards. This not only helps to enhance the quality of photovoltaic modules, but also improves the production process, promptly identifies and addresses problem modules, thereby effectively increasing the conversion efficiency and service life of solar cells.
The reason why the EL detector can play an important role in multiple fields is attributed to its unique technical features. Firstly, it adopts a high-resolution infrared camera, which can capture the minute defects inside the components and ensure the accuracy of the detection results. Secondly, the fully enclosed optical path design can ensure the long-term stable operation of the equipment and effectively isolate external stray light interference, improving the intuitiveness and accuracy of the test. In addition, the EL detector also features high sensitivity and fast detection speed, capable of quickly and accurately detecting internal defects of components.
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