新能源系统中性点设备的选型计算分析  

Analysis of Selection and Calculation of Neutral Point Equipment in New Energy Systems

作　　者：李文霞 LI Wenxia(Lanzhou Yineng Electric Power Design Consulting Co.,Ltd.,Gansu 730050,China)

机构地区：[1]兰州倚能电力设计咨询有限公司,甘肃730050

出　　处：《集成电路应用》2024年第3期148-149,共2页Application of IC

摘　　要：阐述选择电力网中性点接地方式是一个综合性问题。分析单相接地电容电流计算、中性点设备选型计算。尽管接地故障电流选择1 300A,但测算得出跨步电压和接触电压能满足规程规范要求。This paper expounds that choosing the neutral grounding method for power grids is a comprehensive issue.It analyzes the calculation of single-phase grounded capacitor current and the selection calculation of neutral point equipment.Although the grounding fault current is selected as 1300A,it is calculated that the step voltage and contact voltage can meet the requirements of the regulations and specifications.

关 键 词：新能源系统 电容电流 中性点接地 

分 类 号：TM63[电气工程—电力系统及自动化]