220V工频交流窜入直流控制回路造成机组跳闸分析  

Analysis of 220V AC intrude DC control circuit caused generating units tripping

作　　者：陈莉 南泽瑞 

机构地区：[1]广东省连州粤连电厂有限公司,广东连州513400

出　　处：《大众科技》2013年第8期64-66,共3页Popular Science & Technology

摘　　要：介绍了一起由于电弧引起的工频交流窜人直流控制回路造成机组跳闸的故障情况。通过试验检查、分析找出了问题的原因,并采取相应的处理及防范措施。Abnormal condition of a 220V AC intrude DC current fault caused by electric-arc is introduced in this paper. This caused generating units tripping. The reason is concluded and the corresponding measures are proposed with the experiment, inspection, analysis.

关 键 词：电弧 工频交流 直流系统 

分 类 号：TM7[电气工程—电力系统及自动化]