谈室外照明TT系统应用  

Discussion on the Application of TT System for Outdoor Lighting

作　　者：徐华 XU Hua(Architectural Design&Research Institute of Tsinghua University Co.,Ltd.,Beijing 100084,China)

机构地区：[1]清华大学建筑设计研究院有限公司,北京市100084

出　　处：《建筑电气》2022年第8期3-6,共4页Building Electricity

摘　　要：论述室外照明接地系统的选择,依据国家规范和国际标准对TT系统的保护要求,分析室外照明TT系统共用接地和不共用接地出现的问题及应对措施,并提出路灯、草坪灯、埋地灯等室外照明配电和接地方案。The selection of earth system for outdoor lighting is discussed,problems and solutions for common TT earthing system and non‑common TT earthing system for outdoor lighting are analyzed according to the protection requirements of national specifications and international standards for TT system,and schemes for outdoor lighting distribution and earthing are proposed,such as street lamps,lawn lamps and underground lamps.

关 键 词：室外照明 TT系统 路灯 电气安全 电击防护 接地故障 共用接地 不共用接地 

分 类 号：TU852[建筑科学]