|
|
Cause analysis and preventive measures of an abnormal tripping of 110kV transformer protection device |
LIU Yaoyun |
Dongguan Power Supply Bureau of Guangdong Power Grid Co., Ltd, Dongguan, Guangdong 523008 |
|
|
Abstract This paper analyzes an abnormal tripping event of 110kV transformer protection device. The inspection and treatment process of the accident is given, and the matters needing attention in the operation and maintenance of relay protection equipment and the measures to deal with the accident based on the analysis of the abnormal action of main transformer protection are put forward, which can provide reference for the substation operation and maintenance personnel during the inspection and treatment of relay protection devices .
|
Received: 22 November 2021
|
|
|
|
Cite this article: |
LIU Yaoyun. Cause analysis and preventive measures of an abnormal tripping of 110kV transformer protection device[J]. Electrical Engineering, 2022, 23(4): 92-95.
|
|
|
|
URL: |
http://dqjs.cesmedia.cn/EN/Y2022/V23/I4/92
|
[1] 赵纲. 浅析提高电力系统供电可靠性措施[J]. 煤, 2020, 29(10): 89-90. [2] 施成云, 王能. 两起主变比率差动保护动作经验交流[C]//2011年云南电力技术论坛, 2011: 1512-1515. [3] 张继军. 对一起主变差动动作事故的分析和思考[C]//2011年云南电力技术论坛, 2011: 1813-1820. [4] 钟成元. 220kV雨田变#1主变跳闸事故分析[J]. 继电器, 2003, 31(9): 72-73, 77. [5] 田禾, 陈小华. 主变油色谱超标的分析及处理过程[J]. 变压器, 2003(6): 44-45. [6] 王静, 肖凤. 主变差动微机保护TA接线方式探讨[J]. 四川电力技术, 2006(6): 41-42, 81. [7] 叶建东. 220kV主变旁代运行时对主变保护和失灵保护的影响分析及控制措施[J]. 机电信息, 2014(36): 90-91. [8] 刘欢庆, 南东亮, 王龙龙, 等. 断路器故障引起高抗匝间保护跳闸原因分析[J]. 电气技术, 2020, 21(10): 127-132. [9] 关延伟, 厉志波, 岳啸鸣. 基准电压不一致引起主变过励磁保护误动的原因分析[J]. 电气技术, 2020, 21(12): 102-104, 109. [10] 郑瑜, 蒋炯锋. 一起10kV接地变零序保护误动的事件分析[J]. 电气技术, 2021, 22(2): 101-104. |
|
|
|