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Question
, n6 q9 v- ]7 i- v9 z6 C! [What are the sample requirements for power cables for rated voltages from 6kV (Um=7.2kV) up to
: l, O, x# { ?% H* O& S30kV (Um=36kV) per IEC 60502-2?
0 B. c: T+ s$ Y; h; e' l0 ODecision
' ]5 l4 M$ ]( s. lThe sample requirements for each type of cables per IEC 60502-2 shall be as follows:) X- c$ d6 S5 Q
1 sample of three cores with the maximum cross-section and the highest rated voltage;& h8 X/ M6 ^. u! u
1 sample of three cores with the cross-section in the range of 95mm2~630mm2;1 T. U; ^3 s2 g$ C% x6 a% W. V
If the scope of application includes copper conductor and aluminum conductor simultaneously, above9 L, e3 @/ Q- y6 Z& {
2 samples shall be 1 sample with copper conductor and 1 sample with aluminum conductor.; G3 R y, M! P
In addition, for those cables with or without armor, armored cables can cover the un-armored cables.
* `' r( r& \& j, HDifferent type of armor shall be regards as different type.% E; Y- y" I6 J2 j0 p
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