电弧光保护在某南非冶炼厂中压系统的应用  

Application of Arc Protection in Medium Voltage System from a Smelter in South African

作　　者：胡伟 HU Wei

机构地区：[1]北京矿冶科技集团有限公司

出　　处：《有色冶金节能》2019年第4期44-46,59,共4页Energy Saving of Nonferrous Metallurgy

摘　　要：基于电弧光保护的工作原理,并结合南非某冶炼厂11 kV配电站开关柜安装弧光保护的实例,分析了弧光保护系列的主要特点,详细阐述了开关柜弧光保护的系统动作逻辑设计、系统接线结构和报警跳闸母线接线结构。应用实例证明,弧光保护技术可以进一步提高中压开关柜的安全性。Based on the working principle of arc protection,and combined with the example of arc protection in the switchgear of 11 kV power distribution station of a smelter in South African,main features of the arc protection series were analyzed,the system action logic design,the system connection structure and the connection structure of alarm and trip bus in arc protection of the switchgear were described in detail.The application example proved that arc protection technology could improve safety of medium voltage switchgear further.

关 键 词：电弧光保护 中压开关柜 动作逻辑 报警和跳闸母线 

分 类 号：TM591[电气工程—电器] TM77