
Electric Cables - Calculation Of The Current Rating - Part 2-1: Thermal Resistance - Calculation Of Thermal Resistance
出版:British Standards Institution

专家解读视频
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, in troughs or in steel pipes, both with and without partial drying-out of the soil, as well as cables in air.
Supersedes and renumbers BS 7769-2.1(1997). 1994 + A2 2006 Edition incorporates & renumbers BS 7769-2.1(1997). Supersedes 98/264617 DC and 05/30122011 DC. (06/2008) Supersedes 12/30273095 DC. (05/2015)
IEC 60287-2-1 : 2.0EN+(REDLINE+VERSION) - Identical
IEC 60287-2-1 : 2.0EN+(REDLINE+VERSION) - Identical