小电流接地系统消弧线圈调谐方式的存在问题分析  

Analysis of Problem Existing in Tuning Method for Arc Suppression Coil in Small Current Neutral Grounding System

作　　者：慕娇娇[1] 陈球武[1] 陈凯[1] 肖遥[1] 张进龙[1] 

机构地区：[1]广西大学电气学院,广西南宁530004

出　　处：《电气开关》2013年第4期56-58,共3页Electric Switchgear

摘　　要：当小电流接地系统发生单相接地故障时,消弧线圈可以有效限制接地点的故障电流,使得接地电弧自熄。文中根据小电流接地系统中性点应用消弧线圈接地的原理,分析了消弧线圈的欠补偿、全补偿、过补偿等三种补偿状态的优缺点,并指出:消弧线圈的脱谐度应该根据系统运行方式的变化来调整,以达到合理的补偿效果。还展望了消弧线圈的未来发展趋势。when a small current grounding system occurs single-phase ground fault, the arc suppression coil can effec- tively limit the fault current grounding point, making the ground arc self-extinguishing. Based on in the the principle of distribution network of neutral resonant grounding in small current grounding system, advantages and disadvantages of the three compensation status-under compensation, full compensation, over compensation, and pointed out that ： off tuning de- gree of arc suppression coil should be adjusted according to the change of the system running the way, in order to achieve a reasonable compensation effect. Also this thesis looked forward to the future development trend of are suppression coil.

关 键 词：小电流接地系统 消弧线圈 脱谐度 

分 类 号：TM71[电气工程—电力系统及自动化]