电气技术  2017, Vol. 18 Issue (9): 85-88    DOI:
技术与应用 |
零序电流互感器安装工艺引起的保护拒动分析
单国栋
广西电网公司柳州供电局,广西 柳州 545000
The Analysis of Theimmovability of Protective Devices due to the Installation Technology of Zero-sequence Current Transformer
Shan Guodong
Liuzhou Power Supply Bureau of Guangxi Power Grid Corporation, Liuzhou, Guangxi 545000
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摘要 本文结合一起10kV线路因零序电流互感器安装工艺引起越级跳闸事故,详细分析了零序电流互感器在不合格安装下的电流传变特性以及其对电力系统微机保护装置的影响,并结合此次事故情况提出了此种情况的应对措施。
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单国栋
关键词 电流互感器安装工艺越级跳闸故障分析    
Abstract:Connecting with an over-grade trip accident of 10kV line due to the installation technology of zero-sequence current transformer, this paper analyses the characteristics of current transfer and the influence to the microcomputer protection devices under the situations of unqualified installation of zero-sequence current transformer, combined with the accident situation such measures are put forward.
Key wordscurrent transformer    installation technology    over-grade trip    fault analysis   
     出版日期: 2017-09-20
作者简介: 单国栋(1983-),男,硕士研究生,研究方向为继电保护在电力系统中的应用。
引用本文:   
单国栋. 零序电流互感器安装工艺引起的保护拒动分析[J]. 电气技术, 2017, 18(9): 85-88. Shan Guodong. The Analysis of Theimmovability of Protective Devices due to the Installation Technology of Zero-sequence Current Transformer. Electrical Engineering, 2017, 18(9): 85-88.
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https://dqjs.cesmedia.cn/CN/Y2017/V18/I9/85