Solar irradiance is the core basic data for evaluating the power generation of photovoltaic power plants, optimizing system design, and formulating operation and maintenance strategies. The accuracy of irradiance measurement directly determines the accuracy of photovoltaic power plant power generation prediction, the rationality of component selection, and the efficiency of operation and maintenance. In the context of the transformation of the photovoltaic industry towards refinement and intelligence, traditional irradiance meters have problems such as low measurement accuracy, single parameters, poor environmental adaptability, and insufficient portability, making it difficult to meet the outdoor multi-point, long-term stable measurement needs of photovoltaic power plants. Jiangsu Jingwei Technology Co., Ltd. relies on advanced sensing technology and environmental compensation algorithms to independently develop the JW-F04 portable irradiance meter. With high-precision measurement, multi parameter synchronous acquisition, strong environmental adaptability, and long-range intelligent management as its core, it provides accurate data support for photovoltaic energy resource evaluation,…
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As the core component of power generation in power plants, photovoltaic modules have hidden defects such as internal cracks, broken grids, and virtual welding, which are the main causes of power attenuation, hot spot faults, and even premature scrapping of the modules. However, such defects cannot be recognized by the naked eye and conventional detection methods are difficult to accurately capture. Jiangsu Jingwei Technology Co., Ltd. is deeply engaged in the field of photovoltaic non-destructive testing, breaking through the industry bottleneck of traditional EL detectors being bulky, complex to operate, and dependent on mains electricity. We have independently developed the JW-EL2 portable EL detector, which focuses on high-sensitivity imaging, lightweight portability, and intelligent diagnosis. It has become a "portable physical examination device" for photovoltaic modules, providing comprehensive protection for the core health of photovoltaic modules. Photovoltaic power station tester Electroluminescence (EL) imaging technology is currently the "gold standard" for detecting…
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In the wave of precision operation and efficient power generation in the photovoltaic industry, accurate evaluation of module performance is the core link to improve the quality and efficiency of power plants. Jiangsu Jingwei Technology Co., Ltd. (formerly known as Jiangsu Fuzhun Metrology) is deeply engaged in the field of photovoltaic testing technology. With self-developed core technology and profound industry accumulation, we have ingeniously created the JW-IV12 portable IV tester. With three core advantages of high-precision measurement, intelligent diagnosis, and lightweight design, it has become a "mobile laboratory" for photovoltaic module performance testing, providing reliable support for the entire process of photovoltaic power plant acceptance, inspection, and fault diagnosis. IV power detector The IV characteristic curve of photovoltaic modules is an "electrocardiogram" that reflects their power generation performance. The shape of the curve is directly related to the power output, attenuation degree, and potential faults of the module. Traditional IV…
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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 aging, damage, moisture, and other problems, leading to a decrease in insulation resistance, causing safety accidents such as leakage, short circuits, and fires, threatening the safety of equipment and personnel, and affecting the stable operation of the power plant. Jiangsu Jingwei Technology focuses on the urgent need for electrical safety testing of photovoltaic systems, using high-voltage testing technology and multiple protection mechanisms. We have independently developed the JW-J25 insulation resistance tester, which is designed specifically for electrical safety testing of photovoltaic systems. It accurately measures insulation resistance values, evaluates electrical isolation performance and safety status, provides reliable technical support for installation acceptance, regular maintenance, and safety inspections of photovoltaic power plants, and builds a solid defense line for photovoltaic system safety. Leakage current test JW-J25…
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As the core basic data for evaluating the power generation of photovoltaic power plants, optimizing system design, and formulating operation and maintenance strategies, the measurement accuracy of solar irradiance directly determines the accuracy of power generation prediction, the rationality of component selection, and the efficiency of operation and maintenance. Against the backdrop of the photovoltaic industry's transition towards precision and intelligence, the pain points of low accuracy, single parameters, and poor environmental adaptability of traditional irradiance meters are becoming increasingly prominent. Jiangsu Jingwei Technology relies on advanced sensing technology and environmental compensation algorithms to independently develop the JW-F04 portable irradiance meter. With high-precision measurement, multi parameter synchronous acquisition, and strong environmental adaptability as the core, it provides accurate data support for photovoltaic energy resource assessment, power plant performance monitoring, and efficiency analysis, empowering the fine management of photovoltaic energy efficiency. Portable irradiation system dosimeter The JW-F04 is equipped with a…
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As the core unit of power generation in power plants, photovoltaic modules have subtle defects such as hidden cracks, broken grids, PID effects, and virtual soldering that are difficult to detect with the naked eye. However, they can cause power attenuation, hot spot faults, and even pose safety hazards, seriously affecting the lifespan and revenue of power plants. Jiangsu Jingwei Technology focuses on the urgent need for non-destructive testing of photovoltaic modules, breaking through the industry bottleneck of traditional EL detectors being bulky, complex to operate, and dependent on mains power. We have independently developed the JW-EL5 portable EL detector, with high sensitivity imaging, lightweight portability, and AI intelligent diagnosis as its core. It has become a "portable medical examination device" for photovoltaic modules, safeguarding the core health of photovoltaic modules in all aspects. Photovoltaic power station tester JW-EL5 is developed based on advanced electroluminescence (EL) imaging technology. By applying…
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At the critical stage of photovoltaic power plants transitioning from high-speed construction to refined operation and maintenance, issues such as component performance degradation, hidden crack mismatch, and hot spot faults directly constrain the power plant's power generation efficiency and investment returns. Jiangsu Jingwei Technology is deeply involved in the field of photovoltaic testing, relying on self-developed core technologies and industry experience to create the JW-IV13 portable IV tester with ingenuity. With high-precision measurement, lightweight design, and intelligent analysis as the core, it has become an "all-round guardian" for on-site performance diagnosis of photovoltaic modules, providing one-stop accurate solutions for acceptance, inspection, and fault diagnosis of photovoltaic power plants. IV power detector As the core equipment for performance testing of photovoltaic modules, JW-IV13 is based on the principle of current voltage (I-V) characteristic curve measurement. By accurately applying variable voltage and synchronously collecting corresponding current signals, it quickly draws a complete…
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Photovoltaic power plants are exposed to complex outdoor environments for a long time, and the insulation performance of photovoltaic modules, cables, combiner boxes, inverters, and other equipment is easily affected by factors such as humidity, aging, corrosion, and mechanical damage, resulting in a decrease in insulation resistance and causing safety accidents such as leakage, short circuits, and fires, seriously threatening the safety of photovoltaic power plant equipment and personnel. Insulation resistance testing is the core project of electrical safety inspection in photovoltaic power plants. Accurately detecting insulation resistance values and promptly identifying insulation hazards are key to ensuring the safe and stable operation of photovoltaic power plants. Jiangsu Jingwei Technology Co., Ltd. is deeply engaged in the field of photovoltaic electrical safety testing, and has innovatively developed the JW-J25 insulation resistance tester. With precise high-voltage measurement, multiple safety protections, and portable intelligent design, it provides reliable solutions for electrical safety…
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Solar irradiance is the core basic data for evaluating the power generation of photovoltaic power plants, optimizing system design, and formulating operation and maintenance strategies. The accuracy of irradiance measurement directly determines the accuracy of photovoltaic power plant power generation prediction, the rationality of component selection, and the efficiency of operation and maintenance. In the context of the transformation of the photovoltaic industry towards refinement and intelligence, high-precision, portable, and multi parameter synchronous measurement irradiance meters have become essential equipment for the operation, maintenance, and design of photovoltaic power plants. Jiangsu Jingwei Technology Co., Ltd. relies on advanced sensing technology and environmental compensation algorithms to independently develop the JW-F04 portable irradiance meter. With high-precision measurement, multi parameter synchronous acquisition, and strong environmental adaptability as the core, it provides accurate data support for photovoltaic energy resource assessment, power plant performance monitoring, and efficiency analysis. Irradiance collection The power generation efficiency of…
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As the core power generation unit of photovoltaic power plants, photovoltaic modules have hidden faults such as internal cracks, broken grids, fragments, virtual soldering, and sintering defects, which are the key causes of power attenuation, reduced power generation efficiency, and shortened service life of the modules. This type of fault cannot be recognized by the naked eye, and traditional detection methods are difficult to accurately locate, making it a challenge for photovoltaic quality control and operation. Jiangsu Jingwei Technology Co., Ltd. keeps up with industry technology trends and innovatively develops the JW-EL2 portable EL detector. Based on the principle of electroluminescence (EL) imaging, it achieves rapid, accurate, and visual detection of internal defects in photovoltaic modules, providing core technical support for photovoltaic module production quality inspection, power station operation and maintenance, and quality acceptance. Photovoltaic power station tester Electroluminescence detection technology is currently the mainstream technology for detecting internal defects…
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In the current rapid development of the global photovoltaic industry, efficient operation and precise performance evaluation of photovoltaic power plants have become the core link to ensure power generation efficiency and reduce operating costs. Jiangsu Jingwei Technology Co., Ltd. (formerly Jiangsu Fuzhun Metrology Technology Co., Ltd.) is deeply engaged in the field of photovoltaic testing. With strong technical research and development capabilities and rich industry experience, it has launched the JW-IV12 portable IV tester. This device has the core advantages of high-precision measurement, portable design, and intelligent analysis, providing a one-stop solution for the acceptance, daily inspection, and fault diagnosis of photovoltaic power plants, and helping the photovoltaic industry move towards a new era of refined operation. Outdoor IV tester The IV characteristic curve of photovoltaic modules is a core indicator reflecting their power generation performance. Through the IV curve, key issues such as module power attenuation, hot spot effect,…
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Photovoltaic power plants are exposed to complex outdoor environments for a long time, and equipment such as components, cables, and combiner boxes are prone to insulation performance degradation due to aging, moisture, and damage, which can cause safety accidents such as leakage, short circuits, and fires, seriously threatening the safety of power plant equipment and personnel. Jiangsu Jingwei Technology Co., Ltd. focuses on the electrical safety testing needs of photovoltaic systems and has developed and launched the JW-J25 insulation resistance tester. With the core advantages of high voltage precision measurement, multiple safety protections, and portable and efficient operation, it provides reliable solutions for electrical safety testing of photovoltaic power plants and strengthens the defense line for safe operation of power plants. Withstand Voltage Tester JW-J25 Insulation Resistance Tester is a high-precision diagnostic equipment designed specifically for electrical safety testing of photovoltaic systems. It adopts advanced high-voltage testing technology and can…
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