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Question) `) c: T) \7 ?, `/ Q/ N0 B
What are the sample requirements for power cables for rated voltages from 6kV (Um=7.2kV) up to9 j- S' o% Q: q; I: ~2 x- C
30kV (Um=36kV) per IEC 60502-2?4 z4 m8 p6 f: M9 N$ B& o1 Z: x
Decision# P" X+ f6 B. i+ `: V
The sample requirements for each type of cables per IEC 60502-2 shall be as follows:
! B4 ~% S. w. `$ R/ r! J1 sample of three cores with the maximum cross-section and the highest rated voltage;
. W% |% P4 ~9 w8 Q" b1 i1 sample of three cores with the cross-section in the range of 95mm2~630mm2;) j; s1 _5 o+ w: D# n* e% I
If the scope of application includes copper conductor and aluminum conductor simultaneously, above
) T) p4 L& W, E2 samples shall be 1 sample with copper conductor and 1 sample with aluminum conductor.. D9 y# H9 J' d( ?1 e
In addition, for those cables with or without armor, armored cables can cover the un-armored cables.. x- j( B" R0 e, [0 N/ T
Different type of armor shall be regards as different type.7 T' @( k' [: k2 Q
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