摘要
对室外照明接地系统作了具体分析,并对采用TN、TT系统的室外照明方案做了比较,分析了各个系统的优缺点及危害,指出采用不同接地系统时电阻值的要求。
A concrete analysis on the ground system of the outdoor lighting is made. The outdoor lighting solutions of TN and 3T system are compared and the advantages and disadvantages of each system are analyzed. It is pointed out that the requirements of different resistance value of grounding system.
出处
《智能建筑电气技术》
2016年第5期15-17,共3页
Electrical Technology of Intelligent Buildings
关键词
室外照明
接地系统
TN系统
TT系统
outdoor lighting, grounding system, TN system, TF system