CEI 20-21/3-1 : 2007现行
ELECTRIC CABLES - CALCULATION OF THE CURRENT RATING - PART 3-1: SECTIONS ON OPERATING CONDITIONS - REFERENCE OPERATING CONDITIONS AND SELECTION OF CABLE TYPE
出版：Comitato Elettrotecnico Italiano
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基本信息
标准编号： CEI 20-21/3-1 : 2007
发布时间：2007/1/1 0:00:00
标准类别：Standard
出版单位：Comitato Elettrotecnico Italiano
标准页数：22
标准简介
Pertains to the conditions of steady-state operation of cables at all alternating voltages, and direct voltages up to 5 kV, buried directly in the ground, in ducts, troughs or in steel pipes, both with and without partial drying-out of the soil, as well as cables in air.
本标准替代的旧标准
等同采用的国际标准
IEC 60287-3-1 : 2.0 - Identical
