一起220 kV线路避雷器故障分析及处理  

Analysis and Treatment of a 220 kV Transmission Line Surge Arrester Fault

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作  者:王树军[1] 陈盟 刘晨光 王炜 WANG Shujun;CHEN Meng;LIU Chenguang;WANG Wei(Chengde Power Supply Company of State Grid Jibei Electric Power Co.,Ltd.,Chengde 067000,China;State Grid of China Technology College,Jinan,250002,China)

机构地区:[1]国网冀北电力有限公司承德供电公司,河北承德067000 [2]国家电网有限公司技术学院分公司,山东济南250001

出  处:《山东电力高等专科学校学报》2024年第5期5-9,共5页Journal of Shandong Electric Power College

摘  要:针对一起220 kV高压输电线路避雷器故障,通过对故障避雷器进行试验和金相分析,结合现场检查情况、故障时的天气情况,从自然环境、设备制造、安装维护、宏观形貌等方面,运用故障树分析、事件树分析等方法,确定了避雷器故障的原因,提高了故障诊断的准确性和效率,为故障的快速定位和处理提供技术支持。最后提出了相应的预防措施,以防止类似故障的再次发生,提高电网运行的安全性、稳定性和可靠性。In allusion to a 220 kV high-voltage transmission line surge arrester fault,through the test and metallographic analysis of the fault surge arrester,combining with the on-site inspection,as well as the weather condition at the time of fault,the causes of the surge arrester fault are determined by adopting the methods such as fault tree analysis and event tree analysis,from the as⁃pects of natural environment,equipment manufacturing,installation and maintenance,macroscopic morphology,etc.,which im⁃proves the accuracy and efficiency of fault diagnosis and provides the technical support for the rapid location and treatment of fault.Finally,the corresponding preventive measures are proposed to prevent the recurrence of similar faults,thus improving the safety,stability and reliability of power grid operation.

关 键 词:输电线路 避雷器 故障分析 

分 类 号:TM726.1[电气工程—电力系统及自动化]

 

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