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Question
* ^# ^8 D/ m- X% O- VWhat are the sample requirements for power cables for rated voltages from 6kV (Um=7.2kV) up to z( R' \; D" }! r1 K9 e
30kV (Um=36kV) per IEC 60502-2?
* z l! X4 ]" eDecision, E1 @* y! @4 S% S7 F' h
The sample requirements for each type of cables per IEC 60502-2 shall be as follows:
1 H9 V+ i0 w0 k2 t! j6 i8 x5 `1 sample of three cores with the maximum cross-section and the highest rated voltage;& L+ d$ r( d# E3 V* I2 J- n" _# e
1 sample of three cores with the cross-section in the range of 95mm2~630mm2;$ M# |0 }( I! t3 w: Y- ~
If the scope of application includes copper conductor and aluminum conductor simultaneously, above% ~: v& o" k# g) X+ u# k
2 samples shall be 1 sample with copper conductor and 1 sample with aluminum conductor.$ w* K! \- s, {, K* _
In addition, for those cables with or without armor, armored cables can cover the un-armored cables.
4 v' c w9 r. R- x# T4 u- a6 F: qDifferent type of armor shall be regards as different type.
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