人工冲击下输电线路杆塔暂态特性测试方法研究  

Transient Characteristics Measurement of Transmission Line Towers Under Artificial Impacts

作　　者：康鹏 张兆华 李志忠 王森 时卫东 吉宏亮 申巍 沈海滨 KANG Peng;ZHANG Zhaohua;LI Zhizhong;WANG Sen;SHI Weidong;JI Hongliang;SHEN Wei;SHEN Haibin(China Electric Power Research Institute,Haidian District,Beijing 100192,China;Electric Power Research Institute of State Grid Shaanxi Electric Power Company,Xi’an 710054,Shaanxi Province,China)

机构地区：[1]中国电力科学研究院有限公司,北京市海淀区100192 [2]国网陕西省电力公司电力科学研究院,陕西省西安市710054

出　　处：《电网技术》2021年第8期3291-3297,共7页Power System Technology

基　　金：国家电网有限公司总部科技项目“基于现场冲击实验的输电线路雷击暂态特性、模型和接地防护措施研究”(GYB17201800117)。

摘　　要：该文提出一种人工冲击下输电线路杆塔暂态特性测试方法,该方法采用在待测杆塔周围布置均流带,可真实模拟自然界中雷电流在地中实际的散流情况,并就均流带金属棒根数的影响、电压引线与电流引线的影响和均流带对电压信号的影响等因素进行了试验研究。最后,将测量结果与仿真计算结果进行了对比,证明了测量方法是准确可行的。In this paper,a method for measuring the transient characteristics of transmission line towers under artificial impacts is presented.The method lays out a current-sharing zone around the tower,which can simulate the actual distribution of lightning currents in the earth.At the same time,the effects of the number of the metal rods,the voltage and current leads,and the current band on the voltage signals are studied.Finally,the measurement results are compared with the simulation results,which proves that the measurement method is accurate and feasible.

关 键 词：输电线路杆塔 暂态特性测试方法 均流带 电压电流引线 

分 类 号：TM721[电气工程—电力系统及自动化]