BS 7769-2.1:1997现行
Electric Cables - Calculation Of The Current Rating - Thermal Resistance - Calculation Of Thermal Resistance
出版：British Standards Institution
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基本信息
标准编号： BS 7769-2.1:1997
发布时间：1997/2/15 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：42
标准简介
Applies to conditions of steady-state operation of cables at all alternating voltages and direct voltages to 5 kV, buried in the ground directly, in troughs or steel pipes, with or without partial drying-out of soil, also in cables in air. Supplies formulae for thermal resistance.
标准备注
© British Standards Institution 2013
Also numbered as IEC 60287-2-1
Supersedes 98/264617 DC
(08/2002)
Reviewed and confirmed by BSI, March 2006.
(03/2006)
本标准替代的旧标准
等同采用的国际标准
IEC 60287-2-1 Ed. 1.2 - Equivalent
