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|  DSH 764) x% { C8 E& Y" `2 ? g
' Z' g' w" b- f/ T | 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);am13 ]) x0 ?) r# \, `) r, v
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0 t( J, V1 e9 U. s+ r' E- YQuestion:
8 @" K' J0 P+ X: L+ \What are the sample requirements for power cables for rated voltages of 1kV (Um=1.2kV) and 3kV (Um=3.6kV) per # T9 q# K+ l1 c; P
IEC 60502-1?1 N Z' o( m9 i
Decision:7 M7 p7 k* u. y: |
The sample requirements for each type of cables per IEC 60502-1 shall be as follows:
2 ^5 {9 R3 t3 \' w$ K# s1kV cables:4 U) k* L0 t i3 i' |: G, k
1 sample of approximately maximum cross-section with copper or aluminium conductor.
* |' Y: W# b3 T6 |! P1 sample of maximum number of cores and middle cross-section with aluminium or copper conductor.3 c+ G; K6 m* J( `, B* z) ]0 T6 D
3kV cables and 1kV cables simultaneously:
: G3 C+ X. r) D% ^$ C% ]1 sample of approximately maximum cross-section with copper or aluminium conductor for rated voltage of 3kV.
3 H6 ]# ?9 L1 |6 ~1 sample of maximum number of cores and middle cross-section with aluminium or copper conductor for rated voltage of 3kV./ |. ~7 Y1 Z0 W- B @
1 sample of maximum number of cores and middle cross-section with aluminium or copper conductor for rated voltage of 1kV.
: o+ m7 C# E5 `/ U" gFor cables of the same series type (excluding halogen free cables), armoured cables can cover the un-armoured cables.- o4 U( u9 N6 g( {. W
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发表于 2012-9-3 13:50
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