标题: A类标准与C类标准 [打印本页] 作者: Fangdifa 时间: 2013-8-22 10:55 标题: A类标准与C类标准 所客户反馈,澳洲EMC会有A类标准与C类标准之分,请高手回复一下,这个是什么意思,有点搞不懂,标准不是同样的吗?作者: stey 时间: 2013-8-22 13:15
A类、B类是基础标准,C类是专业标准。作者: H-RH 时间: 2013-8-22 13:22 本帖最后由 H-RH 于 2013-8-22 13:24 编辑 , x% t0 B" a$ {0 R% n7 g2 U9 [1 i9 e8 j' y- t
5 Classification of equipment , k# S- P7 Z6 EFor the purpose of harmonic current limitation, equipment is classified as follows: " j3 J' E+ C9 s" [Class A:( W. c1 m5 ?7 m4 F8 n# T9 h
– balanced three-phase equipment; / l7 B! X4 v6 w! e4 h" @– household appliances, excluding equipment identified as class D;1 f2 A, L J9 C+ [# U7 P0 `. h
– tools, excluding portable tools;9 p6 i7 W- T9 Y) H
– dimmers for incandescent lamps;# }0 v' [6 |4 _4 ^1 p
– audio equipment." y0 G# @# d i+ A9 d, \* d
Equipment not specified in one of the three other classes shall be considered as class A6 S) e# Z& I/ \' R& k
equipment./ `3 }1 j3 ?- W0 l) ?
NOTE 1 Equipment that can be shown to have a significant effect on the supply system may be reclassified in a5 ~. S2 I F, q* C
future edition of the standard. Factors to be taken into account include: 1 ^$ h+ [0 H, l/ [% o; e– number of pieces of equipment in use;9 E9 p4 U! p k0 B) B: r# Z
– duration of use; 5 o2 A* R' j, g' [. O6 Y9 a– simultaneity of use; ! m, ^/ g5 `0 Q* `$ j( h# s– power consumption; ; {- Z- c, t0 _0 g; m& x4 V9 ? |– harmonic spectrum, including phase.6 |' g. v% f+ F9 }1 h9 S
$ G6 Z$ ~3 m& L' I# x
Class B:; i2 S+ A) l9 ]' J: C' x4 ?
– portable tools; $ u6 c# s* f* ~. ]1 d7 u. X7 J4 p– arc welding equipment which is not professional equipment./ Y2 b# _% U+ n* M# n1 P
+ @& [: \4 L% gClass C:3 H/ M1 }9 G" E+ W – lighting equipment. ( e8 s& R: d( C/ ~( h5 F # f9 X/ D4 s, A; H t1 bClass D:4 d: I9 `: l* {( o6 ~0 X, e! \
Equipment having a specified power according to 6.2.2 less than or equal to 600 W, of the F# a ^7 V" N3 Y9 z: F6 ~
following types: % e. t3 Y- q" v z– personal computers and personal computer monitors;2 x5 ` C2 c. x) ^: i$ S) M; o$ M0 Y
– television receivers. $ e9 _) L: |1 b6 \! l作者: 年華 时间: 2013-8-22 13:24
是否有分工业类和民用类,两者限值不一样的作者: jjlamshushushu 时间: 2013-8-23 11:58
H-RH 发表于 2013-8-22 13:22 + M' B5 P& q2 T3 l6 u' p; `3 @2 |5 Classification of equipment) f/ ^7 @1 x) ^* T$ J
For the purpose of harmonic current limitation, equipment is classifi ...