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IEC 60287-3-3 Ed. 1.0 b:2007

Electric cables - Calculation of the current rating - Part 3-3: Sections on operating conditions - Cables crossing external heat sources
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IEC 60287-3-3 Ed. 1.0 b:2007

Electric cables - Calculation of the current rating - Part 3-3: Sections on operating conditions - Cables crossing external heat sources

PUBLISH DATE 2007
PAGES 36
IEC 60287-3-3 Ed. 1.0 b:2007
Electric cables - Calculation of the current rating - Part 3-3: Sections on operating conditions - Cables crossing external heat sources
Describes a method for calculating the continuous current rating factor for cables of all voltages where crossings of external heat sources are involved. The method is applicable to any type of cable. The method assumes that the entire region surrounding a cable, or cables, has uniform thermal characteristics and that the principle of superposition applies. The principle of superposition does not strictly apply to touching cables and hence the calculation method set out in this standard will produce an optimistic result if applied to touching cables
SDO IEC: International Electrotechnical Commission
Document Number IEC 60287
Publication Date May 1, 2007
Language b - English & French
Page Count 36
Revision Level 1.0
Supercedes
Committee 20
Publish Date Document Id Type View
May 1, 2007 Revision
May 1, 2007 IEC 60287-3-3 Ed. 1.0 b:2007 Revision