提高大型接地网接地阻抗测量准确性的方法和措施  

Method and Measure of Accuracy Improvement of Large Grid Grounding Impedance

作　　者：金祖山[1] 胡文堂[1] 张一军[2] 蒋建玲[1] 刘黎[1] 

机构地区：[1]浙江省电力试验研究所,浙江杭州310014 [2]金华电业局,浙江金华321000

出　　处：《水电能源科学》2005年第5期76-77,85,共3页Water Resources and Power

摘　　要：结合500kV双龙变电所接地网接地阻抗现场测试实例,分析了各种影响大型接地网接地阻抗测量准确性的因素,其中测量引线间互感是影响大型接地网接地阻抗测量结果准确性的最主要因素,并提出了提高大型接地网接地阻抗测量准确性的方法和措施。Some affecting factors of the accurate measurement of grounding impedance were studied and analyzed, combining the example of field measuring grounding impedance of the 500kV Shuanglong Substation grid. The mutual inductance of measuring leads mainly affected the accuracy of measurement results of the large grid grounding impedance. Moreover, the accruacy measurement of method and means were held up.

关 键 词：大型接地网 接地阻抗测量 布线方式 

分 类 号：TM934.15[电气工程—电力电子与电力传动]