Active standard | Published: 22/05/2023

IEC 60287-2-1-ed.3.0

Electric cables - Calculation of the current rating - Part 2-1: Thermal resistance - Calculation of thermal resistance

Available languages: English

Available design: electronic design (pdf), Print design, CD-ROM

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Detail information

Designation: IEC 60287-2-1-ed.3.0

Publication date: 22/05/2023

Pages: 0

Country: International technical standard

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Anotation

IEC 60287-2-1:2023 is solely applicable 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. The term "steady state" is intended to mean a continuous constant current (100 % load factor) just sufficient to produce asymptotically the maximum conductor temperature, the surrounding ambient conditions being assumed constant.

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