一起220kV主变低压侧母线故障的分析  

Analysis of a 220kV Main Transformer Low Voltage Side Bus Fault

作　　者：乔洪涛 黄庆 李兴华 王青霞 左魁生 王哲 侯艳 郭英江 QIAO Hong-tao;HUANG Qing;LI Xing-hua;WANG Qing-xia;ZUKui-sheng;WANG Zhe;HU Yan;GUYing-jiang(State Grid Henan power company Zhengzhou Power Supply Company,Zhengzhou,450052,China)

机构地区：[1]国网河南省电力公司郑州供电公司

出　　处：《电气开关》2019年第6期64-67,共4页Electric Switchgear

摘　　要：本文结合现场实际针对一起220kV主变低压侧母线故障进行分析,并对封闭式母线在户外运用时存在的隐患提出了应对措施,从而减少因此而引发故障的几率,提高电网可靠性。This paper analyzed a fault of 220 kV main transformer low voltage side bus based on actual field.Countermeasures were put forward for the hidden dangers of closed bus when they were being used outdoors,so as to reduce the probability of causing failures and improve the reliability of power grids.

关 键 词：变压器 封闭式母线 差动保护 

分 类 号：TM406[电气工程—电器]