标题: DSH1094 [打印本页] 作者: chinatown 时间: 2017-1-7 11:13 标题: DSH1094 Question 4 L0 E6 _: p. R/ s5 HWhat are the sample requirements for power cables for rated voltages from 6kV (Um=7.2kV) up to " a% U2 s2 l8 K! b, F30kV (Um=36kV) per IEC 60502-2?! G- R4 y" ~) f9 ]7 v. g: Z
Decision8 v3 W( @/ s: |3 z$ T& s# W
The sample requirements for each type of cables per IEC 60502-2 shall be as follows: - N0 j# D7 W# Z6 e- W1 sample of three cores with the maximum cross-section and the highest rated voltage；2 p. i9 q. q3 p: c: s
1 sample of three cores with the cross-section in the range of 95mm2～630mm2；2 @$ [3 U! F2 {+ E$ B
If the scope of application includes copper conductor and aluminum conductor simultaneously, above 2 Q: ?, A! o7 _" v/ e* c& x) X2 samples shall be 1 sample with copper conductor and 1 sample with aluminum conductor.2 [1 [/ N7 a6 @1 } i {
In addition, for those cables with or without armor, armored cables can cover the un-armored cables.' L, e5 W/ s# M5 W/ S
Different type of armor shall be regards as different type.% I2 c5 q# q/ E. O: n6 |0 r
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