Photovoltaic modules are the core of power generation in power plants, and their internal hidden defects such as cracks, broken grids, and virtual welding are difficult to detect through appearance in the initial stage. However, they can gradually cause hot spots, power attenuation, and even lead to module scrapping, seriously affecting the service life and revenue of power plants. Traditional EL detection equipment is bulky, fixedly installed, and can only be used in laboratories or production lines, which cannot meet the rapid detection needs of outdoor sites. Jiangsu Jingwei Technology Co., Ltd. has responded to industry pain points by independently developing the JW-EL2 portable EL detector, which condenses laboratory level precision testing technology into a portable body and becomes a "mobile CT machine" for quality control and operation inspection of photovoltaic modules. Photovoltaic panel testing instrument JW-EL2 is a high-precision diagnostic device designed specifically for detecting internal defects in photovoltaic…
READ MOREAgainst the backdrop of the continuous promotion of the "dual carbon" target, photovoltaic power plants, as the core carrier of clean energy, directly determine project revenue through their power generation efficiency and operational stability. The IV characteristic curve of photovoltaic modules and strings is a core indicator reflecting power generation performance. Traditional testing equipment is bulky and complex to operate, making it difficult to adapt to outdoor rapid detection needs. Jiangsu Jingwei Technology Co., Ltd. (formerly Jiangsu Fuzhun Metrology Technology Co., Ltd.) is deeply involved in the field of photovoltaic testing and has launched the JW-IV11 portable IV tester, which reshapes the new standard for photovoltaic performance testing with its advantages of high precision, portability, and intelligence, providing hardcore support for full lifecycle operation and maintenance. IV power detector As a high-end equipment designed specifically for precise diagnosis of photovoltaic systems, JW-IV11 integrates Jiangsu Jingwei's self-developed high-precision data acquisition system…
READ MOREThe power generation of photovoltaic power plants is closely related to the meteorological environment. Meteorological parameters such as solar irradiance, environmental temperature and humidity, wind speed and direction, and atmospheric pressure directly affect the efficiency of component power generation, equipment heat dissipation performance, and system stability. Accurate and comprehensive meteorological monitoring data is the core foundation for photovoltaic power plant site selection planning, power generation forecasting, performance evaluation, fault diagnosis, and refined operation and maintenance. Jiangsu Jingwei Technology Co., Ltd., relying on multi-sensor integration and intelligent data acquisition technology, has launched the JW-Q56 portable meteorological station, which provides a one-stop meteorological monitoring solution for the full lifecycle management of photovoltaic power plants through multi-element synchronous monitoring, lightweight portable deployment, and high-precision data acquisition. Portable weather station The JW-Q56 portable weather station is a mobile environmental monitoring terminal designed specifically for the refined operation and maintenance of photovoltaic power plants. It…
READ MOREPhotovoltaic power plants are exposed to complex outdoor environments for a long time, and components, cables, combiner boxes, and other equipment are easily affected by factors such as humidity, aging, and corrosion, leading to a decrease in insulation performance and causing safety accidents such as leakage, short circuits, and fires, posing a threat to personnel safety and property damage. Insulation resistance testing is the core method for electrical safety inspection of photovoltaic systems. Accurate and efficient insulation testing equipment is the key to ensuring the safe and stable operation of photovoltaic power plants. Jiangsu Jingwei Technology Co., Ltd. focuses on the pain points of photovoltaic electrical safety and has independently developed the JW-J25 insulation resistance tester. With precise high-voltage measurement, multiple safety protection, and intelligent detection functions, it provides comprehensive protection for the electrical safety of photovoltaic systems throughout their entire lifecycle. Leakage current test The JW-J25 insulation resistance tester…
READ MOREAs the core energy source of photovoltaic power generation, the instantaneous value, cumulative amount, and distribution characteristics of solar irradiance directly determine the efficiency of photovoltaic module generation, the accuracy of power plant generation prediction, and the accuracy of system performance ratio (PR value) calculation. High precision and portable irradiance measurement equipment is indispensable in the refined operation and maintenance, power generation evaluation, and site selection planning of photovoltaic power plants. Jiangsu Jingwei Technology Co., Ltd. relies on optical sensing and intelligent calibration technology to create the JW-F04 portable irradiance meter with exquisite craftsmanship. With a second level standard measurement accuracy, lightweight and portable design, and multi parameter synchronous monitoring capability, it provides accurate data support for photovoltaic system light energy evaluation, efficiency analysis, and operation and maintenance decision-making. Portable irradiation system dosimeter The JW-F04 portable irradiance meter is a high-precision environmental monitoring device developed specifically for photovoltaic system light…
READ MOREAs the core power generation unit of a power station, photovoltaic modules have hidden defects such as internal cracks, broken grids, and virtual welding, which are important causes of power attenuation, hot spot faults, and even safety accidents. The traditional testing method relies on large EL equipment in the laboratory, which has shortcomings such as long testing cycles, high costs, and inability to operate on site, making it difficult to meet the efficient operation and maintenance needs of photovoltaic power plants. Jiangsu Jingwei Technology Co., Ltd. closely follows industry technology trends and independently develops the JW-EL2 portable EL detector. It integrates laboratory grade electroluminescence (EL) imaging technology into the portable body, achieving non-destructive, rapid, and accurate on-site detection of internal defects in photovoltaic modules, becoming a "mobile CT machine" in the field of photovoltaic operation and maintenance. Photovoltaic power station tester The JW-EL2 portable EL detector is based on the…
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At present, as the photovoltaic industry moves towards refined operation and maintenance, rapid and accurate evaluation of component and string power generation performance is the core link to ensure efficient operation of power plants and improve investment returns. Jiangsu Jingwei Technology Co., Ltd. is deeply engaged in the field of photovoltaic testing. With profound technical accumulation and industry insights, we have launched the JW-IV12 portable IV tester, which reshapes the on-site testing standards for photovoltaics with lightweight design, laboratory level accuracy, and intelligent operation, providing hardcore support for the full life cycle operation and maintenance of photovoltaic power plants. Outdoor IV tester As a new generation of high-precision diagnostic equipment specially designed for efficient operation and maintenance of photovoltaic power plants, the JW-IV12 portable IV tester focuses on the three core requirements of "portability, precision, and efficiency", breaking the limitations of traditional IV testing equipment such as large size, complex…
READ MOREThe power generation efficiency, power generation prediction, performance evaluation, and fault diagnosis of photovoltaic power plants highly rely on the accurate support of environmental meteorological data. Traditional fixed meteorological stations have fixed deployment, poor flexibility, and limited monitoring elements, making it difficult to meet the multi-point monitoring and refined operation and maintenance needs of photovoltaic power plants. Jiangsu Jingwei Technology Co., Ltd. is based in the field of photovoltaic environmental monitoring, relying on multi-sensor integration technology, and has launched the JW-Q56 portable weather station. With multi element synchronous monitoring, portable flexible deployment, high-precision data acquisition and intelligent transmission analysis capabilities, it provides core meteorological data support for the refined operation and maintenance of photovoltaic power plants throughout their entire life cycle. Portable Meteorology The JW-Q56 portable weather station is a professional level mobile monitoring device tailored for the precise operation and maintenance of photovoltaic power plants. It adopts modular multi-sensor…
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Photovoltaic power plants are exposed to complex outdoor environments for a long time, and components, cables, combiner boxes, and other equipment are prone to insulation performance degradation due to aging, moisture, damage, improper installation, and other issues, which can lead to safety accidents such as leakage, short circuits, and fires, threatening power plant equipment and personal safety and causing significant economic losses. Insulation resistance testing is the core project of photovoltaic electrical safety testing. Jiangsu Jingwei Technology Co., Ltd. focuses on the pain points of photovoltaic electrical safety and independently develops the JW-J25 insulation resistance tester. With high-precision measurement, wide range coverage, intelligent analysis, and safety protection design, it provides professional and reliable solutions for electrical safety testing of photovoltaic power plants. Withstand Voltage Tester The JW-J25 Insulation Resistance Tester is a high-precision diagnostic equipment designed specifically for electrical safety testing of photovoltaic systems. It uses DC high voltage testing…
READ MORESolar irradiance is a core environmental parameter that affects the efficiency of photovoltaic power generation. Accurate measurement of irradiance data is a key foundation for predicting power generation, evaluating efficiency, diagnosing faults, and optimizing systems in photovoltaic power plants. Traditional irradiation measurement equipment has problems such as insufficient accuracy, poor portability, and single functionality, making it difficult to meet the needs of precise on-site detection of photovoltaics. Jiangsu Jingwei Technology Co., Ltd. is based in the field of photovoltaic environmental monitoring, relying on self-developed optical sensing technology to create the JW-F04 portable irradiance meter with ingenuity. With high-precision measurement, portable design, and multi parameter synchronous monitoring capabilities, it provides accurate data support for the assessment and efficient operation and maintenance of solar energy resources in photovoltaic power plants. Portable irradiation system dosimeter As a high-precision device developed specifically for photovoltaic system light energy measurement, the JW-F04 portable irradiance meter adopts…
READ MOREAs the core power generation unit of a power station, photovoltaic modules have hidden defects such as internal cracks, broken grids, and virtual soldering, which are the main causes of power attenuation, hot spot faults, and shortened lifespan of the modules. Traditional detection methods are difficult to accurately identify micro defects, which can lead to hidden dangers and affect the long-term stable operation of power plants. Jiangsu Jingwei Technology Co., Ltd. focuses on the quality control and operation testing needs of photovoltaic modules, and independently develops the JW-EL2 portable EL detector. Based on the core principle of electroluminescence (EL), it uses high-definition imaging technology, portable design, and intelligent analysis capabilities to achieve rapid and accurate detection of internal defects in photovoltaic modules, providing a hardcore guarantee for the quality control of the entire life cycle of photovoltaic modules. Photovoltaic power station tester Electroluminescence (EL) detection technology is currently the "gold…
READ MOREWith the deepening of the "dual carbon" goal and the large-scale development of the photovoltaic industry, the power generation efficiency and stable operation of photovoltaic power plants have become the core concerns of the industry. The issues of component power attenuation, mismatch faults, and hot spot effects directly affect the power generation and investment return of the power station. Jiangsu Jingwei Technology Co., Ltd. (formerly Jiangsu Fuzhun Metrology Technology Co., Ltd.) is deeply engaged in the field of photovoltaic testing. With self-developed core technology, it has launched the JW-IV11 portable IV tester, which provides core technical support for the full life cycle operation and maintenance of photovoltaic power plants with high-precision detection capabilities, portable design, and intelligent analysis functions, and helps the industry develop with high quality. Outdoor IV tester The photovoltaic IV characteristic curve is the "core electrocardiogram" that reflects the power generation performance of components and strings. Accurately…
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