一起单相接地引发系统多点接地故障的原因分析  

Cause Analysis of Multi-point Grounding Caused by Single-phase Grounding

作　　者：王钢 WANG Gang(The Energy Center of Jiuquan Iron and Steel Group,Jiayuguan,Gansu 735100,China)

机构地区：[1]酒钢集团能源中心动力分厂,甘肃嘉峪关735100

出　　处：《冶金动力》2020年第11期8-9,14,共3页Metallurgical Power

摘　　要：介绍了一起因单相接地故障造成非故障相电压升高引发系统多点接地短路故障的事例,对故障现象进行分析,对故障发展扩大的原因进行探讨和分析,并提出整改建议。This paper introduces a case of multi-point grounding short-circuit fault due to the rise of non-fault phase voltage caused by single-phase grounding fault,analyzes the fault phenomenon,discusses the reasons for expansion of the fault development,and puts forward suggestions for rectification.

关 键 词：单相接地 消弧消谐 接地短路 

分 类 号：TN774.4[电子电信—电路与系统]