配网线路连续故障导致主变越级跳闸的分析

Analysis of the Main Transformer Over-the-counter Trip Caused by Continuous Faults in the Distribution Network

描述了一起由两条配网线路先后连续发生永久性故障引发主变越级跳闸的事故,详细分析了事故原因,并提出了防范事故发生的措施和对策。

This paper describes an accident of main transformer over-tripping caused by permanent faults of two distribution lines,analyzes the causes of the accident in detail,and puts forward the measures and Countermeasures to prevent the accident.