小电阻接地与消弧线圈接地方式的运行特性研究  

Operation Characteristics of Low Resistance Grounding and Arc Suppression Coil Grounding

作　　者：王蕾[1] 杨菁[1] 

机构地区：[1]上海市电力公司发展策划部,上海200122

出　　处：《华东电力》2012年第11期2012-2016,共5页East China Electric Power

摘　　要：介绍了简化的配电网模型,对中性点经消弧线圈接地方式和经小电阻接地方式的运行特性进行了定量分析。研究了电容电流、中性点电阻和过渡电阻对过电压和故障电流的影响,通过仿真案例比较了两种接地方式的运行特点及优缺点。This paper presents the simplified distribution network model, and makes a quantitative analysis on the operation characteristics of the two neutral grounding modes ： low resistance grounding and arc suppression coil grounding. Then the research focuses on the influence of capacitive current, neutral point resistance and transition resistance on over-voltage and fault current. Finally, the relevant cases have been simulated to compare the operation characteristics, as well as the pros and cons, of the two aforementioned neutral grounding modes.

关 键 词：配电网 中性点接地 小电阻 消弧线圈 运行特性 

分 类 号：TM74[电气工程—电力系统及自动化]