摘要
国内城市道路照明通常采用TN-S与TT两种供电系统。结合具体工程项目,并根据现行规范要求,介绍了不同供配电系统与保护方法,提出当采用一体化灯杆时建议采用TN-S系统。
Commonly low voltage systems such as TN-S system and TT system are used in domestic urban road lighting project.In combination with specific engineering projects,the different low voltage systems features and grounding-fault protection methods according to the requirements of the current code are introduced.The TN-S system is recommended when lamp poles that integrated with monitoring system is used in road lighting power supply project.
作者
佘奇
杨华
梁宏
汤燕
SHE Qi;YANG Hua;LIANG Hong;TANG Yan(China Southwest Architectural Design and Research Institute Co.,Ltd.,Chengdu 610041,China)
出处
《现代建筑电气》
2022年第4期43-47,共5页
Modern Architecture Electric