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Question4 @ z0 w; I# C: J2 o" Z- V
What are the sample requirements for power cables for rated voltages from 6kV (Um=7.2kV) up to
D4 ?: B- i0 L30kV (Um=36kV) per IEC 60502-2?/ o! n; s9 j# |7 L$ z
Decision
8 H- e; N* x$ g4 y; qThe sample requirements for each type of cables per IEC 60502-2 shall be as follows:" o" ?% X3 D0 x/ t1 G
1 sample of three cores with the maximum cross-section and the highest rated voltage;( t# v5 O8 a( [, K
1 sample of three cores with the cross-section in the range of 95mm2~630mm2;# A6 Z' O) D7 A. q% L' ? c3 ~
If the scope of application includes copper conductor and aluminum conductor simultaneously, above& O# n. H% [5 R! n! B
2 samples shall be 1 sample with copper conductor and 1 sample with aluminum conductor.) E" t E5 k! \' \, C
In addition, for those cables with or without armor, armored cables can cover the un-armored cables.
. Z0 Y" k! s, W1 [; K7 k) k, i- ZDifferent type of armor shall be regards as different type.
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