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Question$ ]7 J) C7 H: P5 { `& g( ~
What are the sample requirements for power cables for rated voltages from 6kV (Um=7.2kV) up to
) E/ T. O7 G" G& z30kV (Um=36kV) per IEC 60502-2?
* u% H6 W8 Z# G" fDecision) n; U% G- e" ]5 P4 U" h; C
The sample requirements for each type of cables per IEC 60502-2 shall be as follows:
8 X5 ? G, V w1 sample of three cores with the maximum cross-section and the highest rated voltage； n. W8 x V* c* H1 ~9 {
1 sample of three cores with the cross-section in the range of 95mm2～630mm2；
. y( a* P; f7 o$ \/ H8 tIf the scope of application includes copper conductor and aluminum conductor simultaneously, above
; e- h/ `# \2 t; W2 samples shall be 1 sample with copper conductor and 1 sample with aluminum conductor.( m3 H# S' m* V0 B& b
In addition, for those cables with or without armor, armored cables can cover the un-armored cables.) A. K* a* R% p K: 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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