
ELECTRIC CABLES - CALCULATION OF THE CURRENT RATING - PART 2: THERMAL RESISTANCE - SECTION 2: A METHOD FOR CALCULATING REDUCTION FACTORS FOR GROUPS OF CABLES IN FREE AIR, PROTECTED FROM SOLAR RADIATION
出版:International Electrotechnical Committee

专家解读视频
The method described in this International Standard is applicable to any type of cable and group running horizontally, provided that the cables are of equal diameter and emit equal losses.
UNE 21144-2-2 : 1997 - Identical
NEN 10287-2-2 : 1996 - Identical
CEI 20-21/2-2 : 2007 - Identical
GOST R IEC 60287-2-2 : 2009 - Identical
SANS 60287-2-2 : 1ED 2010 - Identical
GOST R IEC 60287-2-2 : 2009 - Identical
UNE 21144-2-2 : 1997 - Identical
NEN 10287-2-2 : 1996 - Identical
SANS 60287-2-2 : 1ED 2010 - Identical
CEI 20-21/2-2 : 2007 - Identical