沙漠与绿洲气象2025，Vol.19Issue(3)：26-34,9.DOI:10.12057/j.issn.1002-0799.2404.15005
基于多元数据和模式耦合的山西南部一次高压输电线异常覆冰事件诊断分析
Diagnostic Analysis of an Icing Event on High-Voltage Transmission Lines in Southern Shanxi Using Multivariate Data and Model Coupling
摘要
Abstract
This study investigates an abnormal icing event on high-voltage transmission lines in southern Shanxi through diagnostic analysis combining multivariate data(conventional observations,FNL,and ERA5 reanalysis)and model coupling.The Jones icing model was coupled with the mesoscale WRF numerical model to simulate icing thickness.Key findings include:The event was a typical freezing rain-induced icing episode,driven by a"cold-warm-cold"stratification resulting from cold-warm air mass interactions.WRF simulations of precipitation and surface winds showed good consistency with observations,validating their use as inputs.The Jones model indicated icing initiation at 00:00 on February 13,with rapid accretion(06:00-10:00 and 16:00-19:00)peaking at 16.35 mm by 19:00.Despite underestimating ice thickness,the coupled model accurately predicted the time of exceeding safety thresholds,aligning with actual power outages and demonstrating the model's operational utility.关键词
输电线路覆冰/冷—暖—冷层结/中尺度数值模拟/积冰厚度模拟Key words
transmission line icing/cold-warm-cold stratification/mesoscale numerical modeling/icing thickness modeling分类
大气科学引用本文复制引用
董立凡,孟令博,周红亮,秦鲁豫,杨兰均..基于多元数据和模式耦合的山西南部一次高压输电线异常覆冰事件诊断分析[J].沙漠与绿洲气象,2025,19(3):26-34,9.基金项目
国网宝鸡供电公司科技项目(5226BJ230001) （5226BJ230001）
陕西省气象局秦岭和黄土高原生态环境气象重点实验室开放基金课题(2023Y-13) （2023Y-13）
