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Question6 {. q9 h! g0 p
What are the sample requirements for power cables for rated voltages from 6kV (Um=7.2kV) up to+ C: ^: ]+ C m- d, \, [4 C: [
30kV (Um=36kV) per IEC 60502-2?
e- F, V8 Q4 F- v8 j7 yDecision
, H5 L9 b7 Y' M' j9 T: lThe sample requirements for each type of cables per IEC 60502-2 shall be as follows:% m8 W$ |% c5 Q( i# q% S# C0 I" X
1 sample of three cores with the maximum cross-section and the highest rated voltage；
8 l2 @* K' A. g1 sample of three cores with the cross-section in the range of 95mm2～630mm2；
% ^% y+ c% Q) @- x, wIf the scope of application includes copper conductor and aluminum conductor simultaneously, above
; P* M6 v+ R8 M* q3 m4 a) \+ x2 samples shall be 1 sample with copper conductor and 1 sample with aluminum conductor.
# d; Y* M( c" a; v, L; q/ ?% r/ tIn addition, for those cables with or without armor, armored cables can cover the un-armored cables.
8 M+ m3 Z2 l' }, J" ~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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