摘要
室外路灯工程直接关乎民众的人身安全,需根据具体情况确定采用TN-S系统或是TT系统,并采取相应的技术措施。
Outdoor street lamp project is associated directly with personnel safety of the general public, therefore, it is necessary to determine whether TN- S or TT system should be adopted as per different situation, and to take corresponding technical measures
出处
《建筑电气》
2012年第4期14-22,共9页
Building Electricity
关键词
路灯接地
TN—S系统
TT系统
RCD共用接地
单独接地
高压侧接地故障
低压侧相线接大地故障
Street lamp grounding TN- S systemTT system RCD Shared grounding Separategrounding Grounding fault at high-voltage side Phaseconductor grounding fault at low-voltage side