Drone Cleaning for Insulators: A Game Changer in Power Line Maintenance
Drone Cleaning for Insulators: Power Maintenance Enters the Smart Era A New Era for Grid Upkeep Imagine a drone skillfully navigating between high-voltage transmissions towers, spraying a precise jet of water to clean insulators. This is no longer a futuristic vision but a current reality in the power industry’s maintenance operations. The application is gaining global traction. In early September, State Grid Zhoushan Power Supply Company successfully completed a live-washing operation on 110kV insulators using drones. Shortly after, State Grid Hunan Power employed an FC30 industrial drone, equipped with a professional water-jetting system, to clean insulators on a 500kV transmission line, marking a significant step in high-voltage maintenance. The Critical Challenge of Contamination Flashovers caused by polluted insulators are a major threat to grid stability and safety. In coastal regions with high humidity and salt mist, contaminants gradually accumulate on insulator surfaces. These pollutants increase surface conductivity, raising the “Equivalent Salt Deposit Density” (ESDD) and creating a high risk of flashover accidents during damp conditions, potentially leading to widespread blackouts. Industrial areas face similar issues. For instance, in Ordos, China, emissions from factories and coal mines form a dense layer of “contamination armor” on insulators, compromising their integrity. Limitations of...
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