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Question
* o2 q; ^. u6 | h O( I7 J+ hWhat are the sample requirements for power cables for rated voltages from 6kV (Um=7.2kV) up to
3 S7 z3 \. G, F; X" I7 D: P30kV (Um=36kV) per IEC 60502-2?4 d! z& f1 U6 A: c9 l& J! g
Decision2 M `! h4 k% F5 f% t! o
The sample requirements for each type of cables per IEC 60502-2 shall be as follows:. D. b9 Z$ ]. |; Q
1 sample of three cores with the maximum cross-section and the highest rated voltage;- Q g. K% A! ]/ g5 H
1 sample of three cores with the cross-section in the range of 95mm2~630mm2;
$ y1 w2 j+ c3 S! M3 O& ~If the scope of application includes copper conductor and aluminum conductor simultaneously, above1 x5 o) g, D1 [; c: {0 W
2 samples shall be 1 sample with copper conductor and 1 sample with aluminum conductor.
( i% q6 s/ U/ d8 K* h3 @In addition, for those cables with or without armor, armored cables can cover the un-armored cables.
9 ~# T4 d9 F9 ~. j4 }; BDifferent type of armor shall be regards as different type.
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, F7 X( ], m) K: B" u6 O; K9 K* W3 C- M2 B( S' G
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