TN系统PEN线接地和电源转换开关极数的确定  

Grounding of PEN Conductor in TN System and Pole Number Determination of Power Transfer Switch

作　　者：王厚余 

机构地区：[1]中国航空工业设计研究院,100011

出　　处：《建筑电气》2004年第2期3-5,共3页Building Electricity

摘　　要：阐述了在建筑物电气装置内PEN线一点接地防杂散电流危害的问题,并分析了它与TN系统内正常电源和发电机电源间转换开关极数确定的关系。The paper presents single point grounding of PEN conductor can prevent stray current inside building electrical equipments. Based on it, the author also analyses pole number's determination of power transfer switch between generator and normal power supply in TN system.

关 键 词：PEN线接地 杂散电流 电源转换开关 四极开关 建筑物 TN系统 

分 类 号：TU856[建筑科学]