6-35 kV供电系统单相接地故障研究  

Research on Single-phase Grounding Fault of 6-35 kV Power Supply System

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

机构地区：[1]酒钢集团公司能源中心,甘肃嘉峪关735100

出　　处：《冶金动力》2020年第5期15-17,共3页Metallurgical Power

摘　　要：供电系统单相接地是配电系统最常见故障,多发生在潮湿、多雨天气。通过对6-35 kV配电线路发生单相接地故障原因的分析,指出单相接地故障对配电设备和配电网的危害,提出预防和故障处理办法,并建议应用新技术,减少单相接地故障的发生,确保配电网安全、经济和稳定运行。Single-phase grounding of power supply system is the most common fault in power distribution system,which mostly occurs in wet and rainy weather.Based on analysis of the causes of single-phase ground fault in 6-35 kV distribution line,this paper points out the harm of single-phase ground fault to distribution equipment and distribution network,puts forward prevention and fault treatment methods,and recommends the application of new technology to reduce the occurrence of single-phase ground fault and ensure safe,economic and stable operation of distribution network.

关 键 词：中性点不接地系统 接地故障 消弧消谐装置 

分 类 号：TM862[电气工程—高电压与绝缘技术]