一起循环水泵启动过程中跳闸的原因分析

With Circulation Pump Starts Tripping Cause Analysis

某发电厂1A循环水泵在检修后启动过程中,差动速断保护出口跳闸,电气二次专业人员通过对故障时的波形、数据、一次设备的变更进行了分析,确定了保护动作原因并及时进行了解决处理。本文详细介绍了引起1A循环水泵跳闸的原因、查找故障的经过以及通过此次事故今后应注意的事项以及预防措施。

1A circulating pump to start the process of repair after a power plant, the differential speed off the protection exports trip, secondary electrical professionals through the waveform when the fault, data, equipment changes were analyzed to determine the reason of the protective action in a timely mannera solution to deal with. This paper describes the reasons for causing the 1A circulation pump trip, to find fault after the accident should be noted that in the future matters, as well as preventive measures.