辽宁电网高压线路杆塔接地阻抗测试方法研究  

Study on Test Method of HV Line Grounding Impedance of Liaoning Power Grid

作　　者：周大东 王玲 王东烨[3] 郑维刚[3] ZHOU Dadong WANG Ling WANG Dongye ZHENG Weigang(Jinzhou Environmental Monitoring Center Station,Jinzhou, Liaoning 121001, China State Grid Benxi Power Electric Supply Company, Benxi, Liaoning 117020, China Electric Power Research Institute of State Grid Lianning Electric Power Co., Lid., Shenyang, Liaoning 110006. China)

机构地区：[1]锦州市环境监测中心站,辽宁锦州121001 [2]国网本溪供电公司,辽宁本溪117020 [3]国网辽宁省电力有限公司电力科学研究院,辽宁沈阳110006

出　　处：《东北电力技术》2016年第12期14-16,共3页Northeast Electric Power Technology

摘　　要：线路接地阻抗测试一直是输电线路保证接地良好的重要检测手段,针对将要修改的DL/T 475—2006《接地装置特性参数测量导则》,重点对三极法和回路阻抗法在不同应用场合下的有效性、局限性进行分析和判断,辅以钳表法进行试验数据比较,并在辽宁电网高压线路杆塔接地阻抗的测试方法进行调查、现场实测和研究对比,明确了回路阻抗法的试验条件和适用条件,对比验证了试验数据的准确性,对回路阻抗法在接地电阻测试中的应用提供参考。Line ground impedance test is an improtant detection method to ensure the grounding of transmission line.According to DL/T475—2006,the 3-pole method and loop-impedance method are analyzed and judged by comparing the data.Test method is investigated and studied to determine test conditions and applications of loop-impedance method,data accuracy are verified by comparing.The results offer a reference for the application of groundingresistance test with loop-impedance method.

关 键 词：输电线路 线路杆塔 接地阻抗 测试方法 

分 类 号：TM835[电气工程—高电压与绝缘技术]