Robots Deployed for Ice Removal on Sichuan Power Grid for the First Time at Heights of Over 100 Meters
CRI Online2024-12-20 14:23:09

Recently, in Daqing Township, Xichang City, Liangshan Yi Autonomous Prefecture, the State Grid Sichuan Ultra-High Voltage Company innovatively used an ice-removal robot to successfully clear ice from the overhead ground wires of the Jinping-Sunan ±800 kV UHVDC transmission project. This marks the first time that Sichuan’s power grid has employed a combination of “drones and ice-removal robots” to complete de-icing operations on UHV projects.

The ice-removal robot is a multi-functional de-icing device specifically developed for transmission lines. It operates by being suspended above the power lines via a heavy-lift drone, and it clears ice from conductors ranging in diameter from 50 to 300 square millimeters using methods such as cutting, impact, and rolling. This advanced robot features remote control capabilities, can perform de-icing on both conductors and ground wires, and transmits images in real-time. It efficiently navigates icy conductors, maintaining stability while de-icing, traversing slopes, overcoming obstacles, and applying brakes when necessary. The ice-removal robot effectively addresses the challenge of clearing ice from overhead ground wires, which has traditionally been difficult to manage. (By Bai Yibing)

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