Nippon Electric Works Co., Ltd. (based in Chiyoda-ku, Tokyo) recently announced on March 4 that it has collaborated with Casio Technology Corporation (also located in Chiyoda-ku, Tokyo) to develop a "simple multi-point simultaneous monitoring system." This innovative solution integrates Casio’s advanced camera recorders with the long-range wireless LAN technology called "FalconWAVE," enabling wireless transmission of images from multiple surveillance cameras installed in large-scale facilities like megawatt photovoltaic power plants. The system ensures full coverage of monitored areas while allowing remote access through a network, offering greater flexibility and efficiency.
According to Nippon Electric Co., setting up this system doesn’t require major construction, which leads to a 30% reduction in installation costs. It also uses low-power surveillance cameras and a wireless LAN system, consuming only 6 watts of power and operating entirely independently. This makes it ideal for remote and hard-to-reach locations.
With Japan actively expanding its solar power infrastructure, the need for reliable and efficient monitoring systems is growing. Many photovoltaic facilities are unmanned, making them vulnerable to unauthorized entry, vandalism, and equipment theft. Additionally, in mountainous regions, large birds and animals can cause damage to solar panels. To address these challenges, the new system offers real-time monitoring and high-quality image transmission.
By optimizing frame rates, the system can wirelessly send high-resolution images from numerous cameras across large sites, ensuring real-time integration into monitoring devices. Users can check live footage from multiple cameras using mobile phones or personal computers via cloud services, enhancing security and operational control.
The wireless system operates on an unlicensed 2.4 GHz band, supporting one-to-four single-to-multipoint transmission. This allows for efficient monitoring of critical areas, such as identifying debris, fallen leaves, weeds, or snow accumulation on solar panels—factors that can reduce energy output. With this system, operators can maintain optimal performance and quickly respond to potential issues, even in fully automated facilities.
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