In the current context of the deepening of the "dual carbon" strategy and the large-scale development of photovoltaic power plants, issues such as component power attenuation, line faults, and mismatch losses directly constrain the power generation efficiency and investment returns of power plants. Traditional IV testing equipment is bulky, complex to operate, and has poor outdoor adaptability, making it difficult to meet the efficient operation and maintenance needs of multiple scenarios such as distributed power stations and mountain power stations. Jiangsu Jingwei Technology Co., Ltd. is deeply engaged in the field of photovoltaic testing, relying on self-developed core technology to launch the JW-IV11 portable IV tester. With high precision, strong portability, and intelligence advantages, it provides an integrated solution for photovoltaic system performance evaluation and fault diagnosis, becoming a benchmark product in the field of photovoltaic operation and maintenance. IV power detector
Jiangsu Jingwei, as a high-tech enterprise specializing in the research and production of photovoltaic detection equipment, always takes "technological innovation empowering efficient operation and maintenance of photovoltaics" as its core. The core team has been deeply involved in the industry for many years and has mastered key core technologies such as high-precision digital sampling, adaptive electronic load, and intelligent algorithm analysis. The JW-IV11 portable IV tester launched this time is a new generation product based on massive power plant operation and maintenance data and iterative optimization of customer needs. It balances industrial grade detection accuracy and lightweight design, perfectly balancing performance and practicality, and is suitable for full field photovoltaic detection needs.
In terms of core performance, JW-IV11 achieves all-round breakthroughs. The equipment adopts high-precision digital sampling technology and adaptive electronic load system, with a voltage measurement range of 10V-1500V and a current measurement range of 0.01A-30A. The voltage accuracy reaches ± 0.1V and the current accuracy reaches ± 0.001A, far exceeding the industry standard. It can accurately match more than 95% of the current photovoltaic panel specifications. Different from traditional equipment, JW-IV11 can quickly draw the complete IV characteristic curve of photovoltaic string, synchronously and accurately analyze key parameters such as filling factor, series resistance, parallel resistance, etc. Through intelligent algorithms to analyze curves in multiple dimensions, single component/string detection can be completed within 10 seconds, efficiently diagnosing hidden problems such as component power attenuation, hot spot effect, shielding loss, and bypass diode faults, making faults unavoidable.
Portability and environmental adaptability are the core highlights of JW-IV11. The whole machine adopts a lightweight design, weighing less than 3kg, and is equipped with a portable suitcase. It can be easily carried by a single person to complex scenarios such as roofs, mountains, water surfaces, etc. The equipment adopts industrial grade protection design, with a dustproof and waterproof rating of IP65, suitable for extreme temperature environments ranging from -10 ℃ to 50 ℃, and is not afraid of harsh outdoor conditions such as strong light, sandstorms, rain and snow. Equipped with a high brightness outdoor visual touch screen, it is clearly visible under strong light. Paired with a long-lasting dual battery system, it can operate continuously for more than 8 hours on a single charge, meeting the needs of all day outdoor inspections. Simultaneously supporting 100 meter wireless communication, achieving remote data transmission and operation, significantly reducing outdoor work intensity.
Intelligent and data-driven empowerment helps to boost operational efficiency. JW-IV11 is equipped with a professional intelligent analysis system that does not require manual intervention. It can automatically compare theoretical values with measured data, generate power distribution maps, loss analysis reports, and performance trend comparison reports. Support one click export of detection data, cloud synchronized storage, compatible with PC and mobile multi terminal viewing, facilitating data tracing, trend analysis, and batch management for operation and maintenance teams. The device is equipped with a bilingual operation interface in Chinese and English, which is simple and easy to understand. Novices can quickly get started without professional training, greatly reducing the threshold for use. In addition, the built-in high-voltage isolation design has overvoltage, overcurrent, and reverse connection protection functions, ensuring operational safety from the source.
With outstanding performance, JW-IV11 has a wide range of application scenarios and outstanding value. During the construction and acceptance stage of photovoltaic power plants, it is possible to quickly complete the IV testing of the entire power plant string, accurately identify construction quality issues, and ensure that the power plant meets the grid connection standards; During regular inspections, hidden faults in components can be efficiently screened, and power attenuation risks can be warned in advance to avoid major losses caused by minor faults; In the operation and maintenance of distributed photovoltaics and household photovoltaics, the advantages of lightweight and easy operation are significant, and it is suitable for the needs of scattered and high-frequency detection. At present, JW-IV11 has been put into trial use in photovoltaic power stations in Jiangsu, Zhejiang, Inner Mongolia, Xinjiang and other places, with good feedback. It can effectively improve the operation and maintenance efficiency of power stations by more than 30%, reduce operation and maintenance costs by 25%, and help power stations improve their power generation revenue.
The relevant person in charge of Jiangsu Jingwei Technology Co., Ltd. stated that the launch of the JW-IV11 portable IV tester is an important achievement of the company's technological innovation. In the future, we will continue to focus on the pain points of photovoltaic operation and maintenance, increase research and development investment, continuously optimize product performance, and launch more high-precision, intelligent, and portable photovoltaic testing equipment to safeguard the high-quality development of the photovoltaic industry and help achieve the 'dual carbon' goal as soon as possible. ”
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