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IEC 60287-2-3 Ed. 2.0 en:2024

Electric cables - Calculation of the current rating - Part 2-3: Thermal resistance - Cables installed in ventilated tunnels
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IEC 60287-2-3 Ed. 2.0 en:2024

Electric cables - Calculation of the current rating - Part 2-3: Thermal resistance - Cables installed in ventilated tunnels

IEC 60287-2-3 Ed. 2.0 en:2024
Electric cables - Calculation of the current rating - Part 2-3: Thermal resistance - Cables installed in ventilated tunnels
IEC 60287-2-3:2024 is available as IEC 60287-2-3:2024 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60287-2-3:2024 describes a method for calculating the continuous current rating factor for cables of all voltages installed in ventilated tunnels. The method is applicable to any type of cable. The method applies to natural as well as forced ventilation. Longitudinal heat transfer within the cables and the surroundings of the tunnel is assumed to be negligible. All cables are assumed to be identical within the tunnel and it is assumed that the tunnel cross-section does not change with distance along the tunnel.
SDO IEC: International Electrotechnical Commission
Document Number IEC 60287
Publication Date Not Available
Language en - English
Page Count
Revision Level 2.0
Supercedes
Committee 20
Publish Date Document Id Type View
Not Available IEC 60287-2-3 Ed. 2.0 en:2024 Revision
April 1, 2017 Revision
April 1, 2017 IEC 60287-2-3 Ed. 1.0 b:2017 Revision