单相三线制和三相五线制在建筑供配电中的应用  

Application of single phase 3-line system and tri-phase 5-line system in constructed power supply circuit

作　　者：张莉 

机构地区：[1]金昌冶炼厂,安徽铜陵244000

出　　处：《有色冶金节能》2004年第3期32-33,5,共3页Energy Saving of Nonferrous Metallurgy

摘　　要：　阐明了工作接地与保护接地的区别,指出在建筑电气配电线路中应采用专用的保护接地。This paper explained the difference of workground and safety ground. This paper also pointed out to use safety ground in constructed power supply circuit.

关 键 词：单相三线制 三相五线制 单相二线制 三相四线制 工作接地 保护接地 

分 类 号：TU85[建筑科学]