DSH 764 Sample requirements for power cables for rated voltages of 1kV(Um=1.2kV)

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DSH 764 2 _: e# U- z: @9 A6 s" a' k

Sample requirements for power cables for rated voltages of 1kV(Um=1.2kV) and 3kV(Um=3.6kV)

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60502-1(ed.2);am1

9 F2 K# F: T8 G7 y1 GQuestion:
! [9 i" T! E8 A' {; _What are the sample requirements for power cables for rated voltages of 1kV (Um=1.2kV) and 3kV (Um=3.6kV) per
IEC 60502-1?
" h* F* K% H1 X: ~$ MDecision:
' {* L3 u8 G+ v3 HThe sample requirements for each type of cables per IEC 60502-1 shall be as follows:
: @4 o; H- K' p5 q# {7 k$ k" W: u8 p6 ^1kV cables:
" T* N8 A) f. c1 sample of approximately maximum cross-section with copper or aluminium conductor.
; e2 S5 ^7 o0 Y7 @$ n6 G8 d6 ~1 sample of maximum number of cores and middle cross-section with aluminium or copper conductor.
& _/ J, Y4 h/ M& E. ]3kV cables and 1kV cables simultaneously:
1 sample of approximately maximum cross-section with copper or aluminium conductor for rated voltage of 3kV.
1 sample of maximum number of cores and middle cross-section with aluminium or copper conductor for rated voltage of 3kV.
2 C* S) k+ q, G. ~5 H1 sample of maximum number of cores and middle cross-section with aluminium or copper conductor for rated voltage of 1kV.
For cables of the same series type (excluding halogen free cables), armoured cables can cover the un-armoured cables.




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