采用异频法测量淇澳桥大型地网接地阻抗的实践  

Practice of measuring large scale grid ground impedance of Qiao Bridge by using Different-frequency Method

作　　者：黄云 方文海 秦俊萍 Huang Yun;Fang Wenhai;Qin Junping(Zhuhai Public Meteorological Service Center, Zhuhai Guangdong 519000;Zhuhai Doumen District Public Meteorological Service Center, Zhuhai Guangdong 519000)

机构地区：[1]珠海市公共气象服务中心,广东珠海519000 [2]珠海市斗门区公共气象服务中心,广东珠海519000

出　　处：《气象研究与应用》2018年第2期125-127,共3页Journal of Meteorological Research and Application

摘　　要：为了避免高频干扰、带电运作的线路、测量回路的互感、地中零序电流及地下导体对测量大型地网防雷接地装置阻抗的影响,应用异频法对淇澳大桥接地阻抗进行测试,取得显著效果。In order to avoid the influence of high frequency interference, charged line, measurement circuit mutual inductance, ground zero sequence current, and underground conductor on measuring the impedance of lightning protection grounding device of large ground network, the ground impedance of Qiao Bridge was tested by the Different-frequency Method.

关 键 词：大型地网 异频法 接地阻抗 

分 类 号：P40[天文地球—大气科学及气象学]