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变电站接地网模拟计算
引用本文:李中新,袁建生,张丽萍.变电站接地网模拟计算[J].中国电机工程学报,1999,19(5):76-79.
作者姓名:李中新  袁建生  张丽萍
作者单位:1. 清华大学电机系,100084,北京
2. 吉林电力职工大学电力系,130022,长春
摘    要:基于复镜象法提出了一种模拟计算变电站接地网的方法,该方法适用于多层大地模型中任意结构接地网的模拟,对于多层媒质模型,若利用经典镜象法求解,则需要设置无穷多个镜象来模拟边界及分层特性;而利用复镜象法,则只需几个镜象即可。复镜象法中镜象的大小和位置一般为复数。

关 键 词:接地电阻  计算  变电站  接地网  复镜象法
修稿时间:1998-04-27

NUMERICAL CALCULATION OF SUBSTATION GROUNDING SYSTEMS
Li Zhongxin,Yuan Jiansheng,Zhang Liping.NUMERICAL CALCULATION OF SUBSTATION GROUNDING SYSTEMS[J].Proceedings of the CSEE,1999,19(5):76-79.
Authors:Li Zhongxin  Yuan Jiansheng  Zhang Liping
Abstract:The complex image method only needs a few images to simulate electromagnetic fields in multiple layer media, while the classic image method needs infinite ones in this situation. Based on the complex image method, an approach for simulating the grounding systems of substations is introduced in this paper. The electrodes of the systems with grids and driven rods can be located anywhere in multiple layer earth models. The corresponding Green's functions are given, and numerical techniques are described. A software for simulating the grounding systems has been developed.
Keywords:grounding grid  substation  complex image  
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