Publication number: 20260243920
Abstract: A method for identifying icing zones of typical micro-terrain and micro-climate on transmission lines, including: Step 1, generating a DEM map with a range of 1.5 km×1.5 km centered on the tower's latitude and longitude; Step 2, filtering the DEM map; Step 3, extracting typical terrain feature factors of the icing zone using the maximum gradient algorithm based on the DEM map obtained in Step 2; Step 4, performing basic calculations based on the terrain feature factors in Step 3; Step 5, analyzing the terrain features to propose quantitative values applicable to each micro-terrain and micro-climate zone, determining whether there are high mountain watersheds, terrain uplift, mountain passes, canyon wind corridors, and increased water vapor; thus solving the problem of identifying icing conditions in different types of micro-terrain and micro-climate transmission lines.
Type:
Application
Filed:
April 9, 2026
Publication date:
August 20, 2026
Applicants:
State Grid Henan Electric Power Research institute, Chongqing Dige Technology Co., Ltd.
Inventors:
Degui Yao, Jinyu Wang, Xingliang Jiang, Zhe Li, Guolin Yang, Jiaying Ke, Lina Dong, Yun Liang, Lu Zhang, Kai Pang, Chao Wang, Ming Lu, Sikun Yuan, Yang Gao, Shuai Li, Jingjing Cui, Zhuojun Li