直流系统接地故障处理与运维注意事项  

Direct Current System Ground Fault Handling and Operation and Maintenance Precautions

作　　者：廖金威 Liao Jin-wei(Guangdong Power Grid Corporation Meizhou Power Supply Bureau,Meizhou 514021,Guangdong Province,China)

机构地区：[1]广东电网有限责任公司梅州供电局,广东梅州514021

出　　处：《科学与信息化》2022年第24期109-111,共3页Technology and Information

摘　　要：本文主要介绍直流系统接地故障的类型、原因分析、处理方法与运维注意事项,为变电运行专业人员快速判断、排查直流系统接地故障提供了有效的指引,有助于提高直流系统的运维水平,为变电站直流系统的安全稳定运行提供可靠保障。This paper mainly introduces the types,cause analysis,handling methods,and operation and maintenance precautions of direct current system ground faults,which provides effective guidance for transformer substation operation professionals to quickly judge and troubleshoot direct current system ground faults,helps to improve the operation and maintenance level of direct current system,and provides reliable guarantee for the safe and stable operation of direct current system in transformer substation.

关 键 词：直流接地 绝缘降低 故障查找 拉路法 运维注意事项 

分 类 号：TM7[电气工程—电力系统及自动化]