中性点经消弧线圈接地在煤矿中压供电系统上的应用  

Application of Neutral Point Grounding by Arc Suppression Coil in Coal Mine Medium Voltage Power Supply System

作　　者：高增伟[1] GAO Zeng-wei(Qinxiu Mining Co.,Ltd.,Jincheng Anthracite Mining Group of Shanxi,Jincheng 048007,China)

机构地区：[1]山西晋煤集团沁秀煤业有限公司

出　　处：《机电工程技术》2019年第8期253-254,共2页Mechanical & Electrical Engineering Technology

摘　　要：阐述了煤矿中压供电系统中性点接地采用非有效接地方式发生单相接地时故障特征以及选择中性点经消弧线圈接地的必要性,以例说明了电容电流的取值过程,并提出了选择中性点经消弧线圈接地方式有关注意事项。The necessity of single-phase grounding in the neutral point grounding of coal mine medium-voltage power supply system and the necessity of selecting the neutral point through the arc-suppression coil were described. The process of capacitor current was illustrated. The matters needing attention in selecting neutral point grounding mode through arc suppression coil were put forward.

关 键 词：中性点接地方式 电容电流 自动跟踪补偿消弧装置 

分 类 号：TD612[矿业工程—矿山机电]