一起220kV变压器中性点套管异常分析及防范措施  

Abnormal Analysis and Preventive Measures of 220kV Transformer Neutral Point Bushing

作　　者：周榆晓 韩洪刚 王奕 李润华 王冠宇 贾劲泉 ZHOU Yu-xiao;HAN Hong-gang;WANG Yi;LI Run-hua;WANG Guan-yu;JIA Jin-quan(State Grid Liaoning Electric Power Co.,Ltd.Electric Power Research Institute,Shenyang 110006,China;Shenyang Transformer Research Institute,Shenyang 110122,China;Nanjing University of Technology,Nanjing 211800,China)

机构地区：[1]国网辽宁省电力有限公司电力科学研究院,辽宁沈阳110006 [2]沈阳变压器研究院,辽宁沈阳110122 [3]南京工业大学数理科学学院,江苏南京211800

出　　处：《变压器》2020年第4期79-83,共5页Transformer

摘　　要：本文中作者介绍了一起220kV变压器中性点套管异常情况,阐述了该中性点套管的结构形式及特点,对该套管进行了返厂检查、试验及解体工作,分析了该异常情况的根本原因,提出了防范措施。An abnormal situation of the neutral point bushing of a 220 kV transformer is introduced by the authors in this paper. The structural form and characteristics of the neutral point bushing are expounded. The inspection, testing and disassembly of the bushing are presented. The abnormal situation is analyzed. The root cause of the preventive measures are presented.

关 键 词：变压器 套管 措施 

分 类 号：TM406[电气工程—电器]