In 2026, the process of improving the quality and efficiency of the global photovoltaic industry will continue to accelerate, and the detection of hidden defects such as hidden cracks, virtual soldering, broken grids, and delamination in photovoltaic modules will become a key link in the quality control of photovoltaic power plants and the guarantee of module life. EL electroluminescence detection, as the core technology for detecting hidden defects in photovoltaic modules, is widely used in scenarios such as module production quality inspection, power station completion acceptance, daily operation and maintenance troubleshooting, and fault tracing. With the continuous upgrading of photovoltaic module sizes and continuous iteration of processes, the problems of large volume, inability to operate outdoors, and low detection efficiency of traditional fixed EL detectors have become increasingly prominent. Portable EL detectors have become the mainstream procurement trend in the industry due to their advantages of flexibility, convenience, fast imaging,…
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With the large-scale and refined development of the global photovoltaic industry, photovoltaic module testing has become a core link in power plant construction, operation, and quality inspection. In 2026, the photovoltaic market will fully enter the era of efficient module iteration, with new modules such as TOPCon, HJT, and BC widely popularized. The drawbacks of traditional fixed testing equipment, such as large volume, difficult handling, and weak adaptability, will be fully highlighted. Portable IV testers, with their core advantages of lightweight, high precision, and high efficiency, have become essential equipment for the operation and maintenance testing of distributed photovoltaic power plants, household photovoltaic, and commercial photovoltaic projects. According to industry research data, the compound annual growth rate of the global photovoltaic portable testing equipment market will exceed 8.5% in 2026, with the installed capacity in the Asia Pacific region accounting for over 42%. The industry as a whole is rapidly…
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In recent years, the global large-scale construction of photovoltaic power plants has continued to advance, and accurate measurement of photovoltaic power generation efficiency, evaluation of power generation capacity, calibration of component power, and outdoor environmental monitoring have become the core work of photovoltaic operation and engineering acceptance. As a core environmental parameter that affects the efficiency of photovoltaic power generation, irradiance directly determines the accuracy of photovoltaic power generation calculation, power evaluation, and energy efficiency optimization through its detection accuracy. In 2026, the refined operation and maintenance system of the photovoltaic industry will be comprehensively improved. Industry standards clearly require that photovoltaic engineering acceptance, daily operation and maintenance, and energy efficiency testing must be equipped with high-precision portable irradiance detection equipment. The portable irradiance meter market will usher in sustained growth dividends. The current industry development presents three core trends: firstly, the continuous improvement of detection accuracy to meet the…
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In 2026, the global photovoltaic industry will enter a core development stage of improving stock quality and increasing incremental efficiency. Hidden defects such as hidden cracks, broken grids, virtual soldering, and delamination in photovoltaic modules will become the core factors affecting power generation efficiency and shortening equipment service life. With the continuous upgrading of photovoltaic grid connection acceptance standards and power station operation and maintenance norms, EL infrared detection has become an essential process for photovoltaic module factory quality inspection, power station completion acceptance, inventory operation and maintenance investigation, and asset loss assessment. The market demand for portable EL detectors continues to rise. According to industry data statistics, the market growth rate of non-destructive testing equipment for photovoltaic modules will exceed 13% in 2026. Portability, high definition, and intelligence have become the core development trends of the industry. The drawbacks of traditional fixed EL equipment, such as large volume, inability…
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As the global photovoltaic industry enters the era of refined operation, the installed capacity of photovoltaic power stations continues to expand, and the demand for operation and maintenance of existing power stations is exploding. The global market size of photovoltaic testing equipment is expected to exceed 4.72 billion US dollars by 2026, with a compound annual growth rate of over 10.8%. The industry is officially bidding farewell to extensive construction and shifting towards a new stage of efficient, accurate, and portable testing and operation. The new regulations for the operation and supervision of national photovoltaic power stations have been fully implemented, and the standards for power detection, fault diagnosis, and data verification of photovoltaic modules have been significantly tightened. Traditional fixed and large-scale testing equipment can no longer meet the rapid testing needs of outdoor construction sites, distributed photovoltaics, and household photovoltaics. Under this industry trend, portable, high-precision, intelligent, and…
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The insulation performance of power and electrical equipment, new energy photovoltaic systems, and industrial electrical circuits is the core key to ensuring the safe and stable operation of the power system and preventing safety accidents such as leakage, short circuit, and electric shock. The aging, moisture absorption, damage, and deterioration of insulation resistance are the main causes of electrical faults, equipment burnout, and power safety accidents, directly affecting the safety and stability of industrial production, power operation and maintenance, and new energy power stations. Traditional insulation resistance testers are cumbersome to operate, have large reading errors, weak protective performance, and poor portability, making them difficult to adapt to the rapid detection needs of complex outdoor scenes. In response to the pain points in the electrical safety testing industry, Jiangsu Jingwei has independently developed the JW-J25 insulation resistance tester, which provides professional solutions for insulation performance testing of various electrical equipment…
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Solar irradiance is the core basic parameter for calculating the power generation efficiency of photovoltaic modules, evaluating the production capacity of power stations, and calibrating detection data. The accuracy of irradiance measurement directly determines the authenticity and effectiveness of photovoltaic module performance testing, power station operation and maintenance judgment, and engineering acceptance results. Traditional irradiance meters suffer from issues such as insufficient accuracy, poor spectral matching, weak environmental adaptability, inconvenient portability, and cumbersome data management, which can easily lead to detection data deviations and affect the accuracy of photovoltaic power plant operation and maintenance decisions and capacity assessments. To solve the problem of precise radiation detection in the photovoltaic industry, Jiangsu Jingwei has launched the JW-F04 portable irradiance meter, which benchmarks against the international Class-A industry standard. With the core advantages of high precision, high adaptability, long battery life, and intelligence, it creates a standardized equipment for outdoor photovoltaic radiation…
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The integrity of photovoltaic modules is the core foundation for ensuring stable power generation and long-term operation and maintenance of photovoltaic power plants. However, hidden defects such as hidden cracks, virtual soldering, broken grids, black cores, and fragments cannot be identified by naked eye or conventional detection methods. Long term retention can lead to power attenuation, local overheating, and even safety hazards such as short circuits and burns, seriously affecting the power generation efficiency and service life of the power plant. Traditional EL detection equipment has a large volume, complex deployment, relies on fixed sites, and cannot be moved outdoors for detection, making it difficult to adapt to the on-site inspection and batch acceptance needs of large-scale photovoltaic power plants. To solve the problem of hidden defect detection in the industry, Jiangsu Jingwei relies on core infrared imaging technology and ingeniously creates the JW-EL2 portable EL detector. With the advantages…
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With the large-scale and refined development of the photovoltaic industry, the operation and maintenance testing, engineering acceptance, and fault diagnosis of distributed photovoltaic power stations and centralized photovoltaic bases are facing new challenges. Traditional desktop IV detection equipment is bulky, cumbersome to operate, and has poor environmental adaptability, making it difficult to meet the rapid detection needs of outdoor sites. The industry urgently needs lightweight, high-precision, and intelligent portable detection equipment. In response to the pain points of on-site testing in the photovoltaic industry, Jiangsu Jingwei is deeply involved in the field of new energy testing and has independently developed and launched the JW-IV12 portable IV tester. With the core advantages of portable body, precise detection, fast calculation, and full scene adaptation, it reconstructs the IV curve detection system of photovoltaic modules, providing hardcore equipment support for improving the quality and efficiency of photovoltaic power plants and standardizing operation and…
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Solar irradiance is a core environmental parameter for calculating the power generation efficiency of photovoltaic modules, evaluating the performance of power stations, calibrating power generation data, and accepting photovoltaic projects. The accuracy of irradiance detection directly determines the professionalism and precision of photovoltaic equipment performance testing, power station operation and maintenance analysis, and power generation estimation. Traditional irradiance detection equipment has problems such as low accuracy, poor stability, insufficient portability, and weak environmental adaptability, which make it difficult to meet the high-precision real-time metering needs of complex outdoor scenes, resulting in deviations in photovoltaic detection data and distortion of power station performance evaluation. In response to industry pain points, Jiangsu Jingwei is committed to creating the JW-F04 portable irradiance meter, which provides professional irradiance detection solutions for the photovoltaic industry, meteorological monitoring, scientific research experiments, agricultural planting and other fields with the core advantages of high-precision sensing, fast response, portability…
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The internal defects such as hidden cracks, fragments, virtual soldering, broken grids, and hot spots in photovoltaic modules are the core factors that affect the power generation efficiency of photovoltaic power plants, shorten the service life of modules, and cause safety hazards in power plants. These types of hidden defects cannot be recognized by the naked eye and conventional electrical performance testing equipment. Long term hidden operation can lead to component power attenuation, sudden drop in power generation, and in severe cases, component burnout and power plant shutdown. To solve the problem of hidden defect detection in photovoltaic modules and fill the gap in on-site non-destructive visualization testing, Jiangsu Jingwei has independently developed and launched the JW-EL2 portable EL detector. With the advantages of portable non-destructive, high-definition imaging, precise identification, and rapid detection, it has become a core specialized equipment for defect investigation, factory quality inspection, operation and maintenance, and…
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In the current rapid development of the photovoltaic industry, the large-scale implementation of distributed photovoltaic power stations and centralized photovoltaic bases has put forward new requirements for the efficiency and accuracy of component performance testing, power station operation and maintenance acceptance, and fault diagnosis. Traditional desktop IV testing equipment is bulky, difficult to transport, and cumbersome to operate, making it unsuitable for the rapid detection needs of complex outdoor scenes. Old and simple testing instruments have insufficient accuracy and single data, making it difficult to support the refined operation and standardized acceptance of photovoltaic power plants. In response to industry pain points, Jiangsu Jingwei has launched the JW-IV12 portable IV tester, which combines the core advantages of lightweight design, high-precision detection, intelligent computing, and full scene adaptation to create a new solution for photovoltaic module performance testing. It provides strong equipment support for photovoltaic engineering construction, daily operation and maintenance,…
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