Discussion on Grounding Design for a Miniature Information System Room

Zheng Yonggao（Port & Airport Barrack Division of Navy Logistics Dept.，Beijing 100841，China）

    Abstract A miniature information system room covers only an area of 300. 9 m2；however，the grounding project costs over 70% of the total project cost（￥ 1. 5 million）. The author tries to analyze the advantages and disadvantages of the grounding techniques used in this project according to the environment conditions and key points of the electrical design of this project，proposes some solutions according to relevant national standards.

    Key words　Information system room　I T E（InformationTechnology Equipment ）　Grounding　Lightning protection　Equipotential bonding

    摘　要　某微型信息工房仅 300.9 m2，在 150 万元的工程造价中，接地项目建设成本超过 70 %。作者试图根据该项目环境条件和电气设计要点，分析该工程接地技术措施利弊，并依据相关国家标准的规定，提出解决方案。

    关键词　信息工房　I T E　接地　防雷 等电位联结