施工临时用电系统接地的选择  

Selection of Temporary Power System Grounding for Construction Site

作　　者：卞洪磊 

机构地区：[1]中石化第四建设有限公司,天津300270

出　　处：《现代建筑电气》2014年第9期1-4,19,共5页Modern Architecture Electric

摘　　要：介绍了施工临时用电系统接地的分类,并进行了比较选择。以图例的形式,通过计算各系统接地后的预期接触电压,用数据说明各系统接地的优缺点。指出TT系统更适用于临时施工场地,可为施工临时用电提供参考。This paper introduced the classification of the temporary power system grounding,and the grounding systems were analyzed. By the form of legends,the expected contacting voltages of grounding systems were calculated,which explains the advantages and disadvantages of each grounding system. It was pointed out that TT system is more suitable for the temporary construction site. It could provide references for temporary power.

关 键 词：施工临时用电 接地系统 用电安全 TT系统 

分 类 号：TU731.3[建筑科学—建筑技术科学] TE4[石油与天然气工程—油气田开发工程]