GOST R IEC 60287-3-2-2011 Electric cables Calculation of the current rating Part 3-2 Sections on operating conditions Economic optimization of power cable size《电缆 额定电流的计算 第3-2部分 工作.pdf

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6、Calculation ofthe current rating Part 1: Current rating equations (100 % load factor) and calculation losses Section 1:General) 60287-2-1:1994 . . 2. . 1. (IEC 60287-2-1:1994 Electriccables Calculation of the current rating Part 2: Thermal resistance Section 1: Calculation of thermalresistance) 60853 ( ) (IEC 60853 (all parts) Calculation of the cyclic and emergency current rating of cables) . - ( ).3 : , ,.*/ c215 2; , (16); , ,./; , .;D , ./ c215 ;F , (10), ./;Imax , . . , ;I(t) , ;l , ;J