|
|
Question
v! j; d3 ~5 U+ \What are the sample requirements for power cables for rated voltages from 6kV (Um=7.2kV) up to
! {9 ~" f# i% C8 a" d, t; E9 G+ K: @30kV (Um=36kV) per IEC 60502-2?' o- ^0 D6 r7 ]6 z0 p3 W) e
Decision1 O: S4 Y6 o4 H' P G& Y+ u
The sample requirements for each type of cables per IEC 60502-2 shall be as follows:
) I/ J) W9 N2 v3 M. X' K! U1 sample of three cores with the maximum cross-section and the highest rated voltage；
2 L: m' @6 U6 o" c. E1 sample of three cores with the cross-section in the range of 95mm2～630mm2；8 ^+ g. E s3 s+ K' t
If the scope of application includes copper conductor and aluminum conductor simultaneously, above
# `7 X' [) C- v: _2 samples shall be 1 sample with copper conductor and 1 sample with aluminum conductor.
$ y0 `# k3 T9 d/ H; ^9 x8 VIn addition, for those cables with or without armor, armored cables can cover the un-armored cables.! g. `/ a. A: T! _( h6 r+ x
Different type of armor shall be regards as different type.8 `- l+ A( j2 L3 L6 r% O/ ]+ c B
, E) A6 |. j$ |# M- m2 h ?; f% u) @0 c: u+ Q& Y2 i
|
|
/2 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2017-1-7 11:13
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡
楼主