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

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.