某变电站户外高压隔离开关支座开裂现象分析  

Analysis Cracking of Outdoors High-voltage Disconnector Holder in a Substation

作　　者：李军 李炜 高世刚 姜梅 LI Jun;LI Wei;GAO Shigang;JIANG Mei(Lanzhou City University,Lanzhou 730070;Electric Power Research Institute of State Grid Gansu Electric Power Co.,Ltd.,Lanzhou 730070)

机构地区：[1]兰州城市学院,甘肃兰州730070 [2]国网甘肃省电力公司电力科学研究院,甘肃兰州730070

出　　处：《电力安全技术》2020年第12期30-32,共3页Electric Safety Technology

摘　　要：针对某330 kV变电站户外高压隔离开关支座开裂现象,进行了详细的全面检测与分析,深入研究后发现应力腐蚀的发生是导致支座开裂的主要原因,最后提出了加装隔离护罩,加大巡检力度、加强腐蚀监测等,防护措施与建议。In response to the phenomenon of cracking of outdoors high-voltage disconnector holder in a 330 kV substation,this paper carries out detailed tests and analysis,the in-depth studies show that the main cause of the cracking of outdoors high-voltage disconnector holder is the occurrence of stress corrosion.Finally,the paper puts forward the corresponding protective measures and suggestions,such as add shielding,stengthen inspection efforts and enhance corrosion moitoring.

关 键 词：高压隔离开关 支座 开裂 应力腐蚀 

分 类 号：TM726[电气工程—电力系统及自动化]