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Question- Y: Q$ i" C; n
What are the sample requirements for power cables for rated voltages from 6kV (Um=7.2kV) up to
, O- e* u, h) ~& x4 e) ~30kV (Um=36kV) per IEC 60502-2?
1 G u" C: ?0 n1 O. D0 |. [Decision
3 Z& F: B# |; Q* z) X: A1 T1 |$ gThe sample requirements for each type of cables per IEC 60502-2 shall be as follows:6 I' Q, f: Z2 T% Z% R: O7 A
1 sample of three cores with the maximum cross-section and the highest rated voltage;6 C, `4 k* s2 l" w; V. x
1 sample of three cores with the cross-section in the range of 95mm2~630mm2;
+ C% b7 s; q. A$ z4 o7 M. Y* x* K3 mIf the scope of application includes copper conductor and aluminum conductor simultaneously, above
@3 B9 [7 L& g$ D) O2 samples shall be 1 sample with copper conductor and 1 sample with aluminum conductor.
( z3 |/ b; d5 n6 u' uIn addition, for those cables with or without armor, armored cables can cover the un-armored cables.
: ]: M9 |7 ]$ `; ODifferent type of armor shall be regards as different type.
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x j- ~( Y( J4 T& f
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