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Question: \8 u7 @! i: z! x3 U
What are the sample requirements for power cables for rated voltages from 6kV (Um=7.2kV) up to
7 @7 x2 L8 H$ S9 [# _% @9 W30kV (Um=36kV) per IEC 60502-2?$ k! g3 }# H: i. m: B' K
Decision
# f0 s8 |7 a0 \1 u7 z) FThe sample requirements for each type of cables per IEC 60502-2 shall be as follows:- P3 T6 R' ]6 O+ ?: ?/ ~, z& u7 _' ]
1 sample of three cores with the maximum cross-section and the highest rated voltage；
6 r6 o3 z3 F. f6 Z1 sample of three cores with the cross-section in the range of 95mm2～630mm2；8 n, N' W1 o' z( R7 B
If the scope of application includes copper conductor and aluminum conductor simultaneously, above
( p# @. D# Q: C8 O( W' N/ Y) R2 samples shall be 1 sample with copper conductor and 1 sample with aluminum conductor." o! o/ H% Y6 Q6 j
In addition, for those cables with or without armor, armored cables can cover the un-armored cables.) u( T3 c6 S& X3 f3 A N' R
Different type of armor shall be regards as different type.
+ Y" x4 L1 X* @% Y( ~/ i' L# }+ m8 o+ |8 G- p! K8 s
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发表于 2017-1-7 11:13
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