摘要
在进行云南—广东±800 kV直流输电工程调试阶段的无线电干扰测试过程中,发生杆状天线零部件损坏的情况。为找出造成天线设备损坏的影响因素,并保证监测数据的准确可靠性,对杆状天线和环形天线开展适用性理论分析和无线电干扰测量值与理论计算值对比分析两方面的研究。研究结果表明:在无线电干扰测试中杆状天线端部场强过大产生电晕放电是导致杆状天线的零部件损坏的根本原因,而环形天线的芯线和源天线相互独立,受外界的影响较小,测量比较准确,更适合用于输变电工程的无线电干扰测试。
In the process of radio interference test on Yunnan-Guangdong ±800 kV HVDC power transmission engineering during its commissioning stage,some parts of the rod antenna were damaged.In order to find out influencing factors causing damages of antenna equipment and ensure accuracy and reliability of monitoring data,this paper studies feasibilities of the rod antenna and the loop antenna in theory and comparatively analyzes radio interference measured values and theoretical calculation values.Research results indicate corona discharge due to overlarge end field intensity of the rod antenna in radio interference test is the primary cause for damages of parts of the rod antenna,while the core wire and source antenna of the loop antenna are in mutual independent which means the loop antenna is affected slightly by external factors and easy to be measured accurately,and more suitable for radio interference test on the power transmission engineering.
作者
李斌
朱雅琼
刘磊
王国利
厉天威
李敏
唐力
LI Bin;ZHU Yaqiong;LIU Le;WANG Guoli;LI Tianwei;LI Min;TANG Li(Electric Power Research Institute, China Southern Power Grid, Guangzhou, Guangdong 510663, China;Guangdong Electric Power Design Institute Co. , Ltd. , China Energy Engineering Group, Guangzhou,Guangdong 510663,China)
出处
《广东电力》
2018年第4期115-118,共4页
Guangdong Electric Power
基金
中国南方电网有限责任公司科技项目(CSGTRC-K153021)
关键词
杆状天线
环形天线
输变电工程
无线电干扰
rod antenna
loop antenna
power transmission engineering
radio interference
