330kV变电站隔离开关触头腐蚀失效分析  

Analysis on Corrosion Failures of Disconnector Contact in a 330kV Substation

作　　者：蒋菲 吕岩婷 孙贺斌 JIANG Fei;LYU Yanting;SUN Hebin(Electric Power Research Institute of State Grid Gansu Electric Power Co.,Ltd.,Lanzhou 730070;Gansu Electric Power Research Institute Technology Center Co.,Ltd.,Lanzhou 730070)

机构地区：[1]国网甘肃省电力公司电力科学研究院,甘肃兰州730070 [2]甘肃电力科学研究院技术中心有限公司,甘肃兰州730070

出　　处：《电力安全技术》2022年第2期56-57,共2页Electric Safety Technology

摘　　要：针对330 kV变电站隔离开关触头腐蚀事件,通过采用宏观检查、材质分析、扫描电镜微观形貌及元素面扫描等试验手段开展了腐蚀机理分析,查找出隔离开关腐蚀失效的真实原因,并提出了防范措施。In allusion to a contact corrosion event of disconnector in 330 kV substation, the corrosion mechanism is analyzed by means of macro inspection, material analysis, scanning electron microscope micro morphology and element surface scanning, etc., the real cause of corrosion failure of disconnector is found out,and preventive measures are put forward.

关 键 词：隔离开关 触头 腐蚀 材质分析 

分 类 号：TM56[电气工程—电器]