摘要
110 kV单电源供电线路频繁发生末端接地故障,引起线路末端110 kV变压器间隙保护动作,通过对断路器跳闸原因的分析,调整继电保护配置,完善继电保护定值,制定合理的预防措施,满足电网运行要求,提高供电可靠性。
The terminal grounding fault of 110 kV single power supply line frequently occurs,which causes the gap protection action of 110 kV transformer at the end of the line,through the analysis of the causes of circuit breaker tripping,the relay protection configuration is adjusted,the relay protection setting value is improved,and reasonable preventive measures are formulated to meet the operation requirements of the power grid and improve the reliability of power supply.
作者
王明霞
贺得珺
WANG Mingxia;HE Dejun(State Grid of China Technology College,Jinan 250002,China;Shandong Electric Power College,Jinan 250002,China;State Grid Baiyin Power Supply Company,Baiyin 730900,China)
出处
《电工技术》
2025年第S1期340-342,共3页
Electric Engineering
关键词
间隙保护
保护配置
防范措施
gap protection
protection configuration
preventive measures
