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Italy's ECOPROGETTI has introduced an innovative outdoor solar simulator called "FLYSUN," which made its debut at the parallel exhibition of the EU PVSEC, organized by the International Association for Solar Cells Related Technologies. This groundbreaking device is designed to replicate real sunlight conditions and can be used in field settings, marking a significant shift from traditional indoor testing methods.
A solar simulator is typically used to generate artificial sunlight that closely matches the standard solar spectrum, allowing for accurate measurement of the IV (current-voltage) characteristics of solar modules. Traditionally, these devices are used indoors, especially during quality control checks before shipping. However, FLYSUN breaks the mold by being specifically engineered for outdoor use.
One of the key advantages of FLYSUN is its ability to perform on-site testing without the need to dismantle or transport solar modules. This is particularly beneficial for large-scale photovoltaic installations, such as megawatt-grade power stations. For instance, when the output from a large array of connected modules declines, FLYSUN can quickly identify which specific module is underperforming, enabling faster troubleshooting and maintenance.
The system is divided into two main components: a light source unit and a detection device. The light source is mounted on a robotic arm attached to a forklift, making it highly portable and adaptable for various environments. It uses high-efficiency LEDs to simulate sunlight over an area of 1 meter by 2 meters. Additionally, the system includes temperature sensors to monitor the module’s thermal performance during irradiation.
The detection device consists of a power measurement unit and a personal computer, which communicate with the light source via a WLAN (Wireless Local Area Network). This wireless connection allows for real-time data analysis and monitoring, enhancing the efficiency and accuracy of the testing process.
FLYSUN represents a major advancement in solar module testing, offering flexibility, speed, and precision in real-world conditions. As renewable energy systems become more complex, tools like FLYSUN will play a crucial role in ensuring the reliability and performance of photovoltaic technologies. (Reporter: He Jiji, Nikkei Electronics)