一起假性直流接地的排查与分析  

Investigation and Analysis of a False DC Grounding

作　　者：唐小平[1] 胡晓军[1] 王飞[1] 

机构地区：[1]国网合肥供电公司变电检修室,安徽合肥230022

出　　处：《安徽电气工程职业技术学院学报》2015年第A01期55-58,共4页Journal of Anhui Electrical Engineering Professional Technique College

摘　　要：结合工作实际分析了一起比较少见的直流接地现象,找出了由于I段II段直流混接导致的直流接地现象,丰富了继电保护人员的实际工作经验。并提出整改意见,规避以后出现类似的问题,提高保护的可靠性。A strange phenomenon of DC grounding combined with actual work is analyzed and the DC grounding caused by the false wiring between Ⅰ and Ⅱ DC bus bars is found .Ⅰt enriches the work experi-ence of electrical protection workers and some rectification opinions are proposed to avoid the same prob-lems later , to improve the reliability of electrical protection .

关 键 词：误接线 直流接地 原因分析 

分 类 号：TM721.1[电气工程—电力系统及自动化]