6kV高压柜越级保护故障分析与整改  

Failure Analysis and Rectification of 6kV High-voltage Cabinet Over-level Protection

作　　者：卢鹏[1] 崔平 LU Peng;CUI Ping(Jinlong Copper Co.,Ltd.,Tongling,Anhui 244000,China)

机构地区：[1]金隆铜业有限公司,安徽铜陵244000

出　　处：《有色冶金设计与研究》2022年第3期34-37,共4页Nonferrous Metals Engineering & Research

摘　　要：介绍了金隆铜业有限公司稀贵金属车间6 kV备用供电电源系统,结合生产实际应用过程中所发生的6 kV备用电源微机综合保护装置越级保护跳闸的故障现象,对故障的检查处理经过进行了分析,重点研究了整改前6 kV备用供电电源发生越级保护跳闸的原因,并介绍了相应的整改方法与处理措施。This paper introduces the 6 kV standby power supply system in the rare and precious metal workshop of Jinlong Copper Industry Co.,Ltd.in combination with the fault phenomenon of over level protection tripping of 6 kV standby power supply microcomputer integrated protection device in the process of production and practical application,analyzes the fault inspection and treatment process,focuses on the causes of over level protection tripping of 6 kV standby power supply before rectification,and introduces the corresponding rectification methods and treatment measures.

关 键 词：6kV备用供电电源 微机综合保护 越级保护 

分 类 号：TM63[电气工程—电力系统及自动化]