两起6kV母线失电原因分析及防范措施

Two 6kV Bus Power Failure Reason Analysis and Preventive Measures

2012年3月2日、2012年11月24日,华润电力古城电厂300MW级#1机组6kVⅠB段母线先后两次因高压电机接地造成母线失电事故。母线失电一旦发生,运行人员处理稍有不慎,就会造成事故扩大,发生跳机事件。如何尽量避免母线失电故障的发生,就本厂两次事故进行详细介绍。

In 2012 3 on Sept. 2, November 24, China Resources Power Gucheng Plant 300MW # 1 unit of 6kV I B bus has two times due to the high voltage motor grounding caused by bus loss of power accident.Bus power lost occurs, operation personnel dealing with slightly less, it will cause accident, jumping event.How to avoid bus failure occurred, especially the factory two accidents are introduced in detail.