新华社丨深山雪地里，活跃着一支支“除冰小分队”

Core Viewpoint - The article highlights the proactive measures taken by the State Grid Hubei Enshi Power Supply Company to ensure the safety and stability of the power grid during a recent cold wave that caused ice accumulation on transmission lines [4][5]. Group 1: Use of Technology - The company deployed ice removal robots to efficiently clear ice from transmission lines, demonstrating the integration of advanced technology in maintenance operations [2][4]. - Various ice removal methods were employed, including heated air blowing devices, mobile direct current melting devices, and mechanical ice removal equipment, to ensure safe operation of the power lines [4]. Group 2: Manual Intervention - In addition to technological solutions, manual ice removal was necessary in certain areas, particularly where ice accumulation posed a risk of tower collapse, which could disrupt power supply to local residents [4][5]. - The company utilized "mobile ice observation teams" equipped with online ice monitoring devices to identify and address ice accumulation promptly [4][5]. Group 3: Surveillance and Monitoring - The company installed 27 online ice monitoring devices along ice-prone transmission lines and conducted regular manual inspections in 76 high-altitude areas susceptible to icing [5]. - Fixed ice observation posts were established in critical locations to ensure continuous monitoring of ice conditions, particularly in areas where microclimates and high altitudes intersect [5].