动力变电站10kV系统接地现状分析  

Analysis of Grounding Status of 10kV System in Power Substation

作　　者：王海涛 WANG Hai-tao(Energg Center,Xingiang Bayi Iron&Steel Co.,Ltd.)

机构地区：[1]新疆八一钢铁股份有限公司能源中心

出　　处：《新疆钢铁》2021年第4期40-44,共5页Xinjiang Iron and Steel

摘　　要：文章介绍了某钢铁企业动力变电站10kV系统接地现状以及变电站采用的中性点消弧线圈接地装置工作原理。通过对现有系统接地电容电流计算,分析了动力变电站接地系统存在的不足,提出了改进建议,同时对全电缆配电网宜采用的接地方式提出了建议。Introduce a steel enterprise’s grounding status of 10 kV system in power and the working principle of neutral arc suppression coil grounding device used in substation.By calculating the grounding capacitance current of the existing system, analyze the shortcomings of the grounding system of power substation and put forward improvement suggestions. At the same time, some suggestions on the grounding mode suitable for the whole cable distribution network are put forward.

关 键 词：电容电流 消弧线圈 补偿量 过载 中电阻接地 

分 类 号：TM407[电气工程—电器]