DS EN 50522:2011现行
Earthing Of Power Installations Exceeding 1 Kv A.C.
出版：Danish Standards
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基本信息
标准编号： DS EN 50522:2011
发布时间：2011/3/4 0:00:00
标准类别：Standard
出版单位：Danish Standards
标准页数：72
标准简介
Aims to specify the requirements for the design and erection of earthing systems of electrical installations, in systems with nominal voltage above 1 kV a.c.nd nominal frequency up to and including 60 Hz, so as to provide safety and proper functioning for the use intended.
标准备注
Supersedes DS HD 637, which remains current and will be withdrawn 01-11-2013. (05/2011)
等同采用的国际标准
EN 50522 : 2010 - Identical
