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向家坝-上海特高压直流输电线路对地磁观测环境影响的试验研究
引用本文:罗俊秋,唐波,孙伶俐,李德前,李明,郭熙枝.向家坝-上海特高压直流输电线路对地磁观测环境影响的试验研究[J].地震地磁观测与研究,2011,32(5):49-53.
作者姓名:罗俊秋  唐波  孙伶俐  李德前  李明  郭熙枝
作者单位:1. 中国武汉430071 湖北省地震局
2. 中国湖北430074 国家电力公司武汉高压研究所
基金项目:国家电网公司武汉高压所合同制项目,中国地震局震情跟踪合同制项目
摘    要:在向家坝上海±800 kV特高压直流输电线路2010年6月全电压全功率带电调试期间,进行多测点同步地磁观测试验.结果表明,只要直流线路在极导线上或大地里存在电流,就会对地磁观测产生影响,引起地磁垂直分量Z和水平分量H产生台阶型变化,且垂直分量Z影响更大.

关 键 词:特高压直流输电  地磁观测  影响

Experimental study on the influence of Xiangjiaba-Shanghai UHV DC transmission line to geomagnetic observational environment
Luo Junqiu,Tang Bo,Sun Linli,Li Deqian,Li Ming,Guo Xizhi.Experimental study on the influence of Xiangjiaba-Shanghai UHV DC transmission line to geomagnetic observational environment[J].Seismological and Geomagnetic Observation and Research,2011,32(5):49-53.
Authors:Luo Junqiu  Tang Bo  Sun Linli  Li Deqian  Li Ming  Guo Xizhi
Institution:1) Earthquake Administration of Hubei Province, Wuhan 430071, China 2) Wuhan High Voltage Research Institute, Hubei Province 430074, China
Abstract:During the period of the preliminary electriferous testing of Xiangjiaba-Shanghai ± 800 kV UHV DC transmission line with full voltage and total power in June 2010, the geomagnetic synchronous experiment at multi-observational points was analyzed. The test results show that if there is the electrical current on the plate lead or under the ground, the interference to geomagnetism observation is unavoidable. Magnetic vertical component and horizontal component would be effected, especially magnetic vertical component would be effected seriously.
Keywords:UHV DC transmission  geomagnetism observation  influence
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