高压架空输电线对天气雷达电磁辐射分析  

Analysis of electromagnetic radiation from high voltage overhead transmission line to weather radar

作　　者：刘佳[1] 张磊[2] 周峰 Liu Jia;Zhang Lei;Zhou Feng(Shanxi Provincial Atmospheric Observation and Technical Support Center,Taiyuan 030002;Shanxi Meteorological Observatory,Taiyuan 030006)

机构地区：[1]山西省大气探测技术保障中心,太原030002 [2]山西省气象台,太原030006

出　　处：《气象水文海洋仪器》2024年第6期28-31,共4页Meteorological,Hydrological and Marine Instruments

基　　金：中国气象局气象能力提升联合研究专项(22NLTSY012)资助。

摘　　要：文章介绍了220 kV和500 kV高压架空输电线路的电磁辐射特性及其对天气雷达的影响,详细阐述了不同电压级别下,输电线路高频和微波频段的电磁辐射测试过程和测试结果,研究得出输电线路的电磁辐射与电压级别密切相关,从应用角度印证了高压架空输电线防护距离规范的正确性,旨在为大型电子设备和大型雷达的环境选址提供参考和借鉴。The article introduces the electromagnetic radiation characteristics of 220 kV and 500 kV high-voltage overhead transmission lines and their impact on weather radar.It elaborates in detail on the electromagnetic radiation testing process and results of high-frequency and microwave frequency bands of transmission lines under different voltage levels.The study concludes that the electromagnetic radiation of transmission lines is closely related to voltage levels,and verifies the correctness of the protection distance specification for high-voltage overhead transmission lines from an application perspective,intended to provide reference and inspiration for the environmental site selection of large electronic equipment and large radar.

关 键 词：高压架空输电线 电磁辐射 天气雷达 

分 类 号：P412.25[天文地球—大气科学及气象学]