变电站二次屏柜顶部小母线拆除的研究  

Research on Removing Small Busbar on the Top of Secondary Panel in Substation

作　　者：廖明山 LIAO Mingshan(State Grid Quanzhou Power Supply Company,Quanzhou 362000,China)

机构地区：[1]国网泉州供电公司,福建泉州362000

出　　处：《电工技术》2022年第3期93-95,共3页Electric Engineering

摘　　要：介绍了一种变电站二次屏柜顶部小母线拆除过程中,防止电压短路或接地的防范措施。首先介绍了220 kV变电站保护改造过程中,屏顶小母线拆除时,电压短路造成母线失压的情况及原因,其次从工具选择与包扎、施工前小母线的处理、施工工艺、后续处理和注意事项5个方面详细介绍整改及防范措施,最后总结整改及防范措施的应用效果。A preventive measure to prevent voltage short circuit or earthing during removing small busbar on the top of secondary panel in substation is introduced.Firstly,in the process of 220 kV XX substation protection transformation,when the small bus on the top of the screen is removed,the situation and reason of voltage short-circuit caused bus voltage loss are introduced.Secondly,the rectification and preventive measures are introduced in detail from 5 aspects:tool selection and bandaging,small busbar treatment before construction,construction technology,follow-up treatment and precautions.Finally,the application effects of rectification and preventive measures are summarized.

关 键 词：屏顶小母线 母线失压 剪线钳 

分 类 号：TM774[电气工程—电力系统及自动化]