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Question2 G( J r# _: \5 ?$ ]; V
What are the sample requirements for power cables for rated voltages from 6kV (Um=7.2kV) up to
U8 g& U# L( W, a* I30kV (Um=36kV) per IEC 60502-2?
( c* a0 C& ]2 i) l" ADecision
' }: m* |: h6 y: H- V7 AThe sample requirements for each type of cables per IEC 60502-2 shall be as follows:6 `1 w; O8 d* c& C
1 sample of three cores with the maximum cross-section and the highest rated voltage；
+ O8 K: C3 a- @" o" `/ ]/ V6 ]1 sample of three cores with the cross-section in the range of 95mm2～630mm2；9 u k; y* @9 E: F8 W9 }
If the scope of application includes copper conductor and aluminum conductor simultaneously, above
8 n( W; U, V% h- ]; ?& ?7 o2 samples shall be 1 sample with copper conductor and 1 sample with aluminum conductor.
- i$ g0 y# G0 Q! K6 d$ HIn addition, for those cables with or without armor, armored cables can cover the un-armored cables.+ ~% s% n2 R$ q
Different type of armor shall be regards as different type.
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发表于 2017-1-7 11:13
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