摘要
介绍了一种伸长接地体冲击接地电阻的计算方法.该法以单位长度伸长接地体的冲击特性真型试验结果为基础,导入了波过程情况下导体动态电感的概念及相应的表达式,并以此为依据导出了非线性差分电路模型.利用该模型求得了一些冲击接地电阻的计算结果,并与由其他方法获得的结果进行了比较.比较结果表明所介绍的方法是可靠的.
A method for computing the impulse resistance of extended grounding electrode is described. It is based on the real model experiment results for unit length extended grounding electrode. The concept of dynamic inductance and its computation expressions are proposed. Accordingly a nonlinear differential circuit model is derived and some computed results are obtained. These results are compared with the results obtained from other methods; it shows the method proposed is reliable.
出处
《武汉大学学报（工学版）》
CAS
CSCD
北大核心
2003年第1期54-58,共5页
Engineering Journal of Wuhan University
基金
高等学校博士学科点专项科研基金项目(98049304).
关键词
直型试验
火花半径
动态电感
非线性差分电路
冲击接地电阻
输电线路
real model experiment
spark radius
dynamic inductance
nonlinear differential circuit
impulse grounded resistance
