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

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.