修订14D504《接地装置安装》图集的思考  

Consideration about the Revision of Atlas 14D504 Grounding Device Installation

作　　者：范景昌 李道本 

机构地区：[1]中国昆仑工程有限公司,北京市100037

出　　处：《建筑电气》2017年第2期6-18,共13页Building Electricity

摘　　要：介绍国家建筑标准设计图集14D504《接地装置安装》在03D501-4基础上的主要变化,以及笔者通过对规范的学习和理解,对单母线分段接线与多电源系统的差异、TN-S系统与TN-C-S系统的不同、油浸变压器和干式变压器采用附设式变压器和低压配电柜就近布置的思考、UPS和EPS功能接地做法、局部TT系统如何形成等问题的认识,为设计、审图、监理、施工等使用者正确理解编制者的意图和想法提供参考。In this paper, the national building standard the main changes in design atlas 14D504 Grounding Device Installation on the basis of 03D501 -4 are introduced; based on the authors＇ study and understanding of the specifications, the difference between the single bus with subsection connection and the system with multiple power supplies and that between TN-S system and TN-C-S system, as well as the nearby arrangement of the transformer and LV distribution cabinet attached to oil immersed transformers and dry type transformers are considered, and the functional grounding of UPS and EPS and the understanding of such problems as how to form local T T systems are presented, so as to provide reference for the users including the design, drawing, supervision, and construction and other disciplines to understand the intentions and ideas of the authors.

关 键 词：单电源系统 多电源系统 单母线分段接线 UPS系统接地 EPS系统接地 TN—S系统 TN—C—S系统 TT系统 

分 类 号：TU895[建筑科学]