IEC 60287-2-1 Ed. 1.2被替代
Electric cables - Calculation of the current rating Part 2-1: Thermal resistance - Calculation of thermal resistance
出版：International Electrotechnical Committee
专家解读视频
Is solely applicable to the conditions of steady-state operation of cables at all alternating voltages, as well as in direct voltages up to 5 kV, buried directly in the ground, in ducts , in troughs or in steel pipes, both with and without partial drying-out of the soil, as well as cables in air. This consolidated version consists of the first edition (1994), its amendment 1 (2001) and its amendment 2 (2006). Therefore, no need to order amendments in addition to this publication.
UNE 21144-2-1:1997 (R2011) - Identical
NEN IEC 60287-2-1:1995 - Identical
BS 7769-2.1:1997 - Equivalent
NEN 10287-2-1:1995 - Identical
CEI 20-21/2-1 Ed. 3 (2007) - Identical
