Application of Ice Monitoring Sprites in Power Transmission Networks

Telikon Ice Monitoring Elf

Against the backdrop of global climate change, transmission line icing has become a major risk affecting the safe operation of power grids. In China, accidents such as wire breakage and tower collapse caused by line icing occur frequently every year, especially in the "icing belt" areas of Central and Southwest China, where icing disasters cause significant economic losses to the power system. Shenzhen Telikon Technology Co., Ltd., with years of experience in the power monitoring field, has launched the Ice Monitoring Elf to address this issue, using technological strength to build a protective barrier against grid icing and helping power departments upgrade from passive repairs to proactive, intelligent maintenance through early warnings.

Innovative Working Mechanism

The Ice Monitoring Elf device is installed at suitable locations on transmission lines to conduct real-time image monitoring of the site. The images undergo noise reduction through neighborhood mean filtering, image segmentation with adaptive thresholds, edge contour detection of transmission lines based on the LoG operator, and differential extraction of boundary contour coordinates with and without icing to calculate ice thickness. The data is digitally compressed and transmitted to the monitoring center via the GPRS／GSM communication network.

Technical Parameter Support

1. Power supply method: AC induction energy harvesting technology, DC solar

2. Line adaptation range: 10kV～1000kV

3. Installation method: The device and wire are tightly fastened with silicone rubber

4. Positioning: Beidou positioning

Diverse Functional Features

1. Flexible power supply: AC uses CT energy harvesting + battery power supply; DC uses solar panels + battery power supply;

2. Provides all-weather ice monitoring, offering real-time images and data, and monitors conductor icing status in real-time based on proprietary image recognition algorithms;

3. Features controlled collection functionality, responding to remote commands to set collection methods, automatic collection times, and collection intervals;

4. Enables remote monitoring, allowing maintenance personnel to view and assess line icing conditions in real-time from a remote monitoring center, improving monitoring efficiency;

5. Includes early warning and alarm functions; when icing reaches dangerous levels based on set thresholds, it automatically issues alerts to prompt operators to take appropriate measures;

“Ice Monitoring Elf” uses intelligent perception as its eyes and data-driven insights as its brain, equipping transmission lines with a“smart protective shield”. In the wave of smart grid construction, Telikon will continue to deepen its expertise in the power Internet of Things, using technological strength to safeguard grid security and support the development of green energy under the“dual carbon” goals.

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