采用两种方法测量某抽水蓄能电站接地阻抗的结果分析  

The Results Contrast of Using Two Kinds of Method for the Measurement of Grounding Impedance of a Pumped Storage Power Station

作　　者：李既明[1] 张瀚钦 朱焰明 郑晖[1] 邓杰文[1] 满超楠[1] 

机构地区：[1]长沙理工大学电气与信息工程学院,长沙410076 [2]湖南中方电力有限责任公司,湖南怀化418000 [3]科智防雷工程公司,长沙410076

出　　处：《电瓷避雷器》2013年第1期39-44,49,共7页Insulators and Surge Arresters

摘　　要：介绍了对华东地区某抽水蓄能电站的接地阻抗进行的两次现场测量,两次试验分别采用直线三级法和夹角法,将试验结果跟实际计算得到的接地阻抗值进行对比,针对不同的方法,进行了详细的误差分析,最终通过技术经济比较,提出了对于大型的抽水蓄能电站接地阻抗比较准确的测量方法。The author introduces the two field measurement for grounding impedance of a pumped storage power station in East China, two tests were performed using linear three stage method and angle method, the test results with the actual calculated grounding impedance values were compared, according to the different methods, conducted a detailed error analysis, ultimate through the technical and economic comparison, put forward to large pumped storage power station grounding impedance accurate measurement method.

关 键 词：接地阻抗 直线三级法 夹角法 误差分析 

分 类 号：TV743[水利工程—水利水电工程] TM862[电气工程—高电压与绝缘技术]