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Question
7 h& k* C0 o, ?" L3 IWhat are the sample requirements for power cables for rated voltages from 6kV (Um=7.2kV) up to/ V) N! F( I1 \7 F, X3 _9 v, b
30kV (Um=36kV) per IEC 60502-2?
i' o: X9 x: D# o6 I4 R9 ?Decision
2 L4 p7 @: p$ n" l( r, c$ }The sample requirements for each type of cables per IEC 60502-2 shall be as follows:
! P/ ^% r- n7 N( K$ `: J9 v1 sample of three cores with the maximum cross-section and the highest rated voltage；
/ V# u4 i U. j1 sample of three cores with the cross-section in the range of 95mm2～630mm2；" H4 s" N0 Z$ B+ q& l
If the scope of application includes copper conductor and aluminum conductor simultaneously, above
8 Q: J! ^- f1 Z) h2 samples shall be 1 sample with copper conductor and 1 sample with aluminum conductor.
9 @! q, e/ e2 v/ S6 z1 L( ZIn addition, for those cables with or without armor, armored cables can cover the un-armored cables.5 s- k- C6 u# g0 |' F U
Different type of armor shall be regards as different type." |% W Y. \+ ^( R( f( m; A- k; ]! M: d
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发表于 2017-1-7 11:13
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