开关柜元件短路造成机组跳闸原因分析

Cause Analysis of Unit Tripping Caused by Short Circuit of Switch Cabinet

介绍了某电厂进线电源开关柜内元件发生短路造成机组跳闸事故的检查处理情况。对故障历史记录、短路电流计算进行了分析和判断,找出原因,并提出相应的预防措施。

Unit tripping event caused by the short circuit in the power switch cabinet of given power plant is introduced. Focuses on the event inspection process,fault short-circuit current calculation analysis and judgment are carried on,the corresponding preventive measures are put forward.