油田电网越级跳闸分析与预防措施  

Analysis and Preventive Measures of an Override Trip in Oilfield Power Grid

作　　者：雷雨潇 LEI Yuxiao(Electricity and Water Supply Company,Henan Petroleum Exploration Bureau Co.,Ltd.,Nanyang 473132,China)

机构地区：[1]河南石油勘探局有限公司水电厂,河南南阳473132

出　　处：《电工技术》2021年第14期169-170,共2页Electric Engineering

摘　　要：针对某油田电网一次10 kV线路故障引起后备保护动作导致变压器两侧跳闸的事件,简述了现场处置过程,并根据多方面信息对该越级跳闸原因进行分析,提出了解决方案和预防措施。In this paper,a 10 kV line fault in an oilfield power grid caused the back-up protection action,which led to the tripping of both sides of the transformer.The on-site disposal process is briefly introduced.According to various information,the causes of the override tripping are analyzed,and the solutions and preventive measures are put forward.

关 键 词：越级跳闸 开关拒动 预防措施 

分 类 号：TM732[电气工程—电力系统及自动化]